Similarity Worksheet Pdf

Spot the Differences Page 1 - LOOK at the two pictures. Similarity is a form of proportion used to compare sizes of shapes and objects and the same rules apply when solving both similarity and proportion. WORKSHEETS: Regents-Similarity 1 GEO basic: 20: TST PDF DOC TNS: Regents-Similarity 2 GE/A basic: 8/6: TST PDF DOC TNS: Regents-Similarity 3 GEO/GE/A perimeter and area: 1/8/7: TST PDF DOC TNS: Regents. your FAFSA with the information on this worksheet any other required documents. Ryan and Kathy each drew a triangle with an angle of 20 degrees. Common Sentence Patterns for Prepositions of Place There are two common sentence patterns that we use with prepositions of place. What is the scale for the model? Other proportion review:. mathsmalakiss. Geometry Final Exam Review Worksheet (1) Find the area of an equilateral triangle if each side is 8. A tree 24 feet tall casts a shadow 12 feet long. Category: Geometry and Patterns Congruence and Symmetry Congruent Figures and Similar Figures. What is the scale factor? c) What are the lengths of the legs of the triangle in part b)?. 1 Relationships of Side Lengths and Angle Measures 1. A printable geometry worksheet from the similarity and congruence series. In order to preserve the tips of your brush pens, we recommend either printing on a very smooth printer paper such as HP Premium Choice Laserjet Paper, or using a sheet of tracing paper or marker paper over the top of your printed worksheet to practice. 8-D is a quality management tool and is a vehicle for a cross- functional team to articulate thoughts and provides scientific determination to details of problems and provide. PRACTICE: Pg 465 #7-17, 19-20, 23, 25, 28, 29 Wednesday, 11/28 or Thursday, 11/29 7-3: Triangle Similarity QUIZ 1: 7-1 & 7-2 I can use the triangle similarity theorems to determine if two triangles are similar. UPDATE: There are actually all new funds varieties in editable PDF kind go try All New: FREE Printable Budget Types You Can Edit. The number of columns and rows you can have in a worksheet is limited by your computer memory and your system resources. Equilateral Triangle: A triangle with all the sides of same length is called equilateral triangle. Our worksheet invites the use of critical thinking skills at every level. What is the perimeter of STR? a) 32 b) 37 c) 40 d) 42 e) 120 11. 5 and 45 5. Proving Triangles Similar Worksheet State if the triangles in each pair are similar. 12 Similarity and Proof. org 2 3 The accompanying diagram shows part of the architectural plans for a structural support of a building. Worksheet 8. Download PDF versionDownload DOC versionDownload the entire collection for only $99 (school license). The ratio of number of boys to girls in a classroom is 6 to 5. Geometry Worksheet Similar polygons Name_____ 1. These review sheets are great to use in class or as a homework. Similar triangles word problems Author: User at WREN HIGH SCHOOL Created Date: 2/27/2012 2:46:25 PM. Two 2 2 matrices Aand Bare called similar if there exists a linear transformation T: R2!R2 such that both Aand Brepresent Tbut with respect to di erent bases. Looking for high quality free EFL / ESL / ESOL worksheets? We offer a constantly growing diverse collection of cool ready-made printable handouts and other fun resources to support teaching and learning English at lower and higher levels. QUAD ∼ LITE We will match the corresponding angles and corresponding sides of the two similar polygons below. Similar Triangles State if the triangles in each pair are similar. Merit Badge Counselors may not require the use of this or any similar workbooks. Brad is 6 feet tall. 32 5 sig figs 107. 8th Grade Online Math Worksheets. She stands next to a sculpture 105 ft long. 293 in Girls Get Curves) In chapter 17 of Girls Get Curves, we saw how to prove that two triangles are similar with the AA shortcut - see p. Free Literacy Worksheets for Teachers, Parents, and Kids. (congruent/similar) 9. Congruence and Similarity 14. Scale Drawings - Worksheet #1 6) The scale on a map is ¼ in : 18 mi. lexingtonma. Sheppard-Brick 617. Grade 4 questions ©MathsWatch Clip. Use congruence and similarity criteria for triangles to solve problems and to prove relationships in geometric figures. Changing Dissimilar Fraction To Similar Fraction. For questions 4 – 9, find the geometric mean of each pair of numbers. Similar triangles worksheet pdf. • Answer all questions. 4 Similarity in Right Triangles 5 February 18, 2010 Feb 11­11:51 AM a r s h b s b h r h a a c b Write the proportionality statements for each set of similar triangles. pdf similar triangles The lengths of corresponding sides are in proportion, called the scale factor. Find the value of each variable. Change color of lines & letters. Use your dictionary to verify that. As you start eliminating debts, you’ll start to build some serious momentum. 12 Prop Line Segs. extraordinary. Block Date Topic Homework 11 M 12/8. It possesses a neurotoxin similar to cobras. org 2 5 In the diagram below of right triangle ABC, CD is the altitude to hypotenuse AB, CB =6, and AD =5. Using the word bank, write a synonym for each word on the line below. Is c = d+e? How do you know?. Significant Figures Worksheet Key 1. PYTHAGOREAN THEOREM - WORKSHEET For each triangle find the missing length. Why does urea pass across the dialysis membrane but glucose and amino acids do not? 3. This selection of worksheets and lessons shows students how identify and use triangles that are similar and/or congruent. Worksheet on Similar Triangles for Grade 10 - Questions (1) Check whether the which triangles are similar and find the value of x. pdf format A lesson plan can be found at this site. Similar Triangles - 1 Students are asked locate a pair of similar The student names a pair of similar triangles and correctly solves for x and y but does not provide sufficient justification of the similarity. Preview the activity prior to assigning it to class. Example: It was a hot day. Dilations worksheet Name _____ Determine if the following scale factor would create an enlargement, reduction, or isometric figure. For this purpose, you can use animal name for each keyword. Before look at the worksheet, if you know the stuff related to triangle congruence postulates and theorem,. Questions 1. Then ask your friend Luis if he likes, is interested in or bored by the same thing ¿Te gusta la música? OR ¿Te interesa la música?. 1 Slope and Similar Triangles Worksheet Discuss each of the questions below with your partner. Is \C ˘=\C? How do you know? 2. Paragraph #1 My Dog Romeo is so much fun to play with. The will learn how to read words, sentences and 2 short stories. Printable PDF KS3 and KS4 Congruence and Similarity Worksheets with Answers. PLAN is a rectangle and AS ⊥LN. Equilateral Triangle: A triangle with all the sides of same length is called equilateral triangle. Category: Geometry and Patterns Congruence and Symmetry Congruent Figures and Similar Figures. Baseline or benchmark data are needed to show improvement. A cameraman zooms in on an object to photograph a close-up. EB is parallel to DC. teach-nology. Our staff has over 40 years experience in the math field. Proportion. See Mathematical Processes in LMS Library. This is a Tenth class CBSE Syllabus Lesson of Similar triangles. pdf format A lesson plan can be found at this site. Watch this video lesson to learn how you can tell if two figures are similar by using similarity transformations Geometry 6. Worksheet 4. Part of a collection of free shapes worksheets from K5 Learning. Similar Figures worksheet are shapes that have a similar shape however different sizes. These worksheets will help students compare and contrast the treatment of these themes. Free worksheet(pdf) and answer key on. How to Use the Tool. Free worksheet #01 on 'ratio and proportion'. Significant Figures Worksheet Key 1. 96 KB (Last Modified on December 7, 2013) Comments (-1). Yes, AA similarity Yes, AA Similarity Yes, SSS Similarity (Use the parallel lines) (Use the vertical Angles) 2 3 4 4 6 8 = = Identify the similar triangles in each figure. 3 42 not similar 2) 5 7 5 7 70 ° 20 28 20 28 110 ° similar 3) 3. Redundant D Unknown or unnamed 5. The length of the smallest side of QRS is 280, what is the length of the longest side of QRS? A 40-foot flagpole casts a 25-foot shadow. 3 worksheet similar triangles answers. Dilation usually affect the size of an object along one line. We are working hard on a new platform for setting, building and monitoring homework. Look at the similarity statement to help. Download Fillable Form Sfn60399 In Pdf - The Latest Version Applicable For 2020. More Area Worksheets. Identify triangles as similar or not and use proportions to finding missing lengths of similar triangles. Explain why a characteristic which helps an animal to live longer will generally tend to become more common in the population as a result of evolution by natural selection. New Vocabulary similar figures corresponding sides corresponding angles indirect measurement Math Online glencoe. Students use proportions to determine side lengths of similar figures. Synonyms are words that have similar meanings. They allow the child to test his or her knowledge, and they offer them a practical application for their learning. I love my mom. Words that look or sound alike or similar can be the cause of spelling and grammar errors. Graphing functions worksheet pdf. Free worksheet(pdf) and answer key on. The measure of the diagonal is used to give screen size. The will learn how to read words, sentences and 2 short stories. Practice adding similar fractions with this customizable and printable worksheet. Are the triangles similar? Show how you know using ratios. Students will access a website where they can read about the structures found in an earthworm dissection and label diagrams. pdf Adjectives Worksheet -answers. Humerus Ulna Radius Carpals Phalanges Metacarpals Did you know that the bones in your hands and arms are similar to the bones in the wings of birds and bats?. Problems for area and perimeter of rectangles/squares with images, word problems. Congruence and Similarity 14. Copy each pair. 2) If the mobile phase in a chromatographic experiment moved 15 centimeters and the Rf value of one of the compounds in the mixture was 0. flashcards (words) flashcards (definitions) vocab matching quiz; Resources: Online Copy of Story-- The story is not in the public domain, so the link can become obsolete very quickly. Humerus Ulna Radius Carpals Phalanges Metacarpals Did you know that the bones in your hands and arms are similar to the bones in the wings of birds and bats?. w c _A_lmlI [r\iQgmhPtcsw drIeQsOenrLvgeAdW. Students choose words of opposite meanings from a word bank to match against a list of words. Similar searches: Manual J Worksheet Apa Worksheet Dos Worksheet Worksheet Rfm Worksheet Worksheet 2 Integers Worksheet Sentences Worksheet Rfm Moles Worksheet Guideline Worksheet Step 4 Worksheet Worksheet Physics Grammar Worksheet Tense Worksheet 5 Things I Like About Myself Worksheet State Worksheet Algebra Worksheet Worksheet For Movers Habitats Worksheet. 3 and 15 4. 96 KB (Last Modified on December 7, 2013) Comments (-1). pdf - Name Similar Figures Date Each pair of figures is similar Find the missing side 2 1 x 3 9 1 12 3 x 20 3 4 4 x 16 8 5 x 4. Area of a rectangle : This is calculated by. Similar And Dissimilar Fractions. ©5 g250 Q102m RKcu ptja J pS ho pfNt Cw1avr Ae9 KLaL pC 5. Writing reinforces Maths learnt. Create free worksheets for simplifying expressions (pre-algebra / algebra 1), as PDF or html files. Decisions like these are often much harder to make than, for example, comparing three similar IT systems, where Decision Matrix Analysis or some form of financial analysis can help you decide. I don’t love it. Worksheet 7. com • Extra Examples • Personal Tutor • Self-Check Quiz 10-7 The figures in each pair below have the same shape but different sizes. Similar patterns worksheet for preschool children. A child 4 ft tall casts a shadow 12 ft 4. 2) 9) Use similar triangles to find the length of the lake. 3 12 W 12/10. A printable worksheet with questions on similar figures including matching and calculating corresponding sides. We also offer books, videos, and our world famous art pages. Worksheet given in this section will be much useful for the students who would like to practice problems on similar triangles. similarity because all inherited the feature from their common paleodont ancestor. Students use proportions to determine side lengths of similar figures. I E rM Bamdte J bw 1i 0t KhK tI enGfViCn FiStDep KPKrAe4- YALltgfe gb Wr7a b. First, the teacher reads each sentence. Proving Triangles Similar Worksheet. They transform it by rotating the triangle shown above 90 clockwise about the origin. T i SA Qlal J lr QiZg 9hOtps N brSe BsTeUr2v Leed 6. The original object and the developed picture are _____ in shape. They caught and tagged 72 deer and released them back into the park. pdf - Free download Ebook, Handbook, Textbook, User Guide PDF files on the internet quickly and easily. A worksheet I made on finding missing lengths in similar shapes. 4GHI has angles of 38 and 26. Exploration Sheet Answer Key Perimeter, Circumference and Area Worksheet A. If you received capital gain distribu-tions as a nominee (that is, they were paid to you but actually belong to some-one else), report on Schedule D, line 13, • • • • • • • • • • •. Details you'll be tested on include information on. Similar And Dissimilar Fractions - Displaying top 8 worksheets found for this concept. Geometry Worksheet Triangle Congruence Proofs Name: Date: Block: 1) Given: BD ⊥ AB, BD ⊥ DE, BC DC≅ Prove: ∠A ≅ ∠E Thoughts: 2. Think about: shape, color, texture, size, weight, age, condition, movable parts, or anything written on it. We have solving proportions, similar polygons, using similar polygons, similar triangles, and similar right triangles for your use. Y M BABlDl4 lr zitg 0hJtwsN mrAeasUeQrGvWezd a. All worksheets are printable, either as a. I'd like to not have to do this individually in each workbook as that would still be time consuming to open each workbook. What is the perimeter of STR? a) 32 b) 37 c) 40 d) 42 e) 120 11. 9 Worksheet Find the missing length. 2 R 9A FlylH nr 0imgZh wtmsO fr 5e qsCeWrev peRdA. You can decide whether two shapes are Similar Figures worksheet by following a progression of changes that will demonstrate that they are similar. n 6 1M Ba ld CeY EwHiGtfh b UIgn7f ri npistPe O mGje Fo cmPeZtHrlyr. • A spectrogram is a visual representation of how sound frequencies change over time. Similar Triangle Worksheet 1) What two criteria are needed for triangles to be similar? State whether or not the following triangles are similar. Dimensional Changes Worksheet The scale factor of two similar polygons is 2:3. Same or Different Worksheet 4 Answer Key Item 4798 Same or Different A preschool worksheet Circle the fruit that is different. P 7 VAvlXl0 Hrki Agih Gtbs 0 nr he 7s he sr bv1e DdH. If they are similar, complete the similarity statement and state the. Cher will identify two functional words that are similar, when given a similarity and foils. This is a math PDF printable activity sheet with several exercises. It is an analogue for similar triangles of Venema's Theorem 6. Ryan and Kathy each drew a triangle with an angle of 20 degrees. Such software is often used by teachers to make classroom materials and tests. What is the length of ? a) 3 in b) 6 in c) 7 in d) 9 in. These worksheets are from preschool, kindergarten to grade 6 levels of maths. 1 aG ca L because they are both marked as right angles. similar features are placed in one group. The triangles in each pair are similar. What is the length of ? a) 3 in b) 6 in c) 7 in d) 9 in. We’ll concentrate on the metric units in this worksheet. Watch this video lesson to learn how you can tell if two figures are similar by using similarity transformations Geometry 6. by the length. Sketching Similar Triangles Rally Coach worksheet Similar Triangles-Finding Missing. Learn what it means for two figures to be similar, and how to determine whether two figures are similar or not. The cortex is embedded with pigment granules that impart color to hair. By the AA postulate, we need to con rm that two of the angles are con-gruent to establish triangle. We add new worksheets on a weekly basis. GPS Middle School Math. Worksheet 8 - Hybridization When atoms bond to form molecules, they use molecular orbitals. com Draw a line between the same shapes. 12 and 2 Use the right triangle on the right to complete the following. Don’t be concerned with interest rates, unless two debts have a similar payoff balance. ESL Numbers Worksheet. 12 Similarity II. org 2 5 In the diagram below of right triangle ABC, CD is the altitude to hypotenuse AB, CB =6, and AD =5. Free Algebra 1 worksheets created with Infinite Algebra 1. I love to travel. 1 Ratio and Proportion GOAL 1: Computing Ratios If a and b are two quantities that are measured in the same units, then the ratio of a to b is. pdf similar triangles The lengths of corresponding sides are in proportion, called the scale factor. WORKSHEETS: Regents-Similarity Proofs GEO/GE: 5/9: TST PDF DOC TNS: Practice-Similarity Proofs: 1: WS PDF. Similar Polygons Worksheet Answer Key – If you find a template that you want to use, you may also double-click on the template thumbnail to open it and start customizing it immediately! You will discover others call for a premium account and a number of the templates are absolutely free to use. Similar Shapes (Area and Volume) Name: _____ Instructions • Use black ink or ball-point pen. a) b) 5 3 1 a 2 0 1 5 1 2 b c) d 4 m 5 m 15. 1 Congruence MathLinks: Grade 8 (Student Packet 14) 4 PROPERTIES OF CONGRUENT FIGURES 1. Similar Triangles. 22 scaffolded questions on equation, graph. your FAFSA with the information on this worksheet any other required documents. Practice Worksheet: Triangle Congruence Name:_____ In exercises 1-3, name a triangle congruent to the given triangle and state the congruence conjecture. Similar Polygons Worksheet Answer Key. Worksheet 7. It supports visual thinking techniques, enabling students to easily create and update graphic organizers, concept maps, idea maps and other visual diagrams. Modelo: la música Me gusta la música. 4 Prove Triangles Similar by AA. com delivers thousands of printable math worksheets, charts and calculators for home school or classroom use on a variety of math topics including multiplication, division, subtraction, addition, fractions, number patterns, order of operations, standard form, expanded form, rounding, Roman numerals and other math subjects. QUESTIONS. Free Grammar Worksheets for Teachers, Parents, and Kids. 1 Ratio and Proportion GOAL 1: Computing Ratios If a and b are two quantities that are measured in the same units, then the ratio of a to b is. Compound Interest Name_____ Worksheets Calculate the total amount of the investment or total paid in a loan in the following situations: 1. This one has five questions, with answers, on dilations. (congruent/similar)) Shape & Space / Similarity and Congruence / Video Interactive / Print Activity. 4JKL has angles of 26 and 115. Students determine if two given triangles are similar. 6 Similarity. pdf HW #21 Harriet Hedgehog. QUESTIONS. Fill in the Blank / Cloze Sentence Worksheets. We hope you find them very useful and interesting. Subscribe to the Create Art with ME Newsletter for COUPONS, New Lessons & Worksheets, and Updates! (1-2x a Month) * indicates required. 10 quiz questions with answers. com Congruent Shapes CONGRUENT figures are the same size and shape. WORKSHEET - SIMILAR POLYGONS & TRIANGLES (p. 1) Given: ∆MNP ~ ∆STW SW = _____ N T 15 m 24 m. 2 (Similar Triangle Construction Theorem). 5 and 45 5. Future Tenses Mixed Exercises PDF. b) Work out the area of the trapezium EBCD. What is the measure of the remaining angle? 39. Before going to class, some students have found it helpful to print out Purplemath's math lesson for that day's topic. The composition of ferritic filler metal before welding b. Try to make sense of it. short vowel sound worksheets 3rd grade These high quality pdf worksheets are pages from our phonics activity book for preschool. Similar Figures Worksheet Name _____ Show All Work Where Necessary! You can use proportional relationships to find missing side lengths in similar figures Solve each proportion. pdf Verbs Worksheet - Answers. 4 Similarity in Right Triangles 5 February 18, 2010 Feb 11­11:51 AM a r s h b s b h r h a a c b Write the proportionality statements for each set of similar triangles. Two 2 2 matrices Aand Bare called similar if there exists a linear transformation T: R2!R2 such that both Aand Brepresent Tbut with respect to di erent bases. Number revision from GCSE Maths Tutor. Word Doc PDF. Even though the words have similar sounds, one phonological element is different in both. New Vocabulary similar figures corresponding sides corresponding angles indirect measurement Math Online glencoe. This worksheet is a supplementary preschool resource to help teachers, parents and children at home and in school. b) A similar triangle has a hypotenuse 52 cm long. Phylogeny is the evolutionary history of a species: a. Example : Calculate the area of the shape shown : 13cm. Every PDF fraction worksheet here has a detailed answer key that shows the work required to solve the problem, not just final answer! Fraction Multiplication. Unit 1: Similarity, Congruence, and Proofs This unit introduces the concepts of similarity and congruence. You can decide whether two shapes are Similar Figures worksheet by following a progression of changes that will demonstrate that they are similar. State if the polygons are similar. The definition of similarity is explored through dilation transformations. Reteaching 4-7 Similarity and Indirect Measurement In each figure, find h. mathworksheets4kids. Under a dilation of scale factor 2 with the center at the origin, if S (6, 7), what will be the. Similar And Dissimilar Fractions. Our site includes quizzes, worksheets, lessons and resources for teachers and students interested in using technology to enhance music education. 12 and 2 Use the right triangle on the right to complete the following. A limiting factor controls the growth of a population. Consolidate how to determine a similarity equation for the corresponding sides of similar triangles, and how to solve the similarity equation using their knowledge of ratios and proportions. overlapping triangle proofs 1000 images about math stuff on pinterest | jokes and humor 4 asa aas congruence kuta software proving triangles congruent worksheet the student states given one or two more statements that fail to establish of base angles moving forward stage weirshonorsadvancedmath1 hw answers sss sas my ccsd geometry students need practice with using name corresponding parts. A geometry worksheet with questions on similar triangles including matching corresponding angles and sides and also calculating dimensions with similar triangles. Grade 8/9 Math & Science Team. Worksheet by Kuta Software LLC Assignment #31b Similar Polygons and Scale Factor Name_____ ID: 4 Date_____ Period____ ©z v2l0q1U5s gKHuNtxaq ESWocfzt]wbaBrOew nLWLFCC. If so, state how you know they are similar and complete the similarity statement. In those cases you are often given a ratio. • A spectrogram is a visual representation of how sound frequencies change over time. !!On!7!and!8!use! thegridpointsgiven. 12 Similarity II. Rate Gain Worksheet in these instruc-tions if you complete line 18 of Sched-ule D. mathworksheets4kids. Indirect Measurement Worksheet Name: _____ Date: ___/___/___ Rita designs and test model rockets. Class worksheets. Students determine if two given triangles are similar. What can you claim using Substitution property ? 3. Suppose the dimensions of a 9-inch screen are 5 1/2 inches by 7 1/2 inches. u o 5A MlclB tr Lijgnh 6t5s t Prje 1sQeArfv de Xda. If they are similar, complete the similarity statement and state the. Significant Figures Worksheet Key 1. If 4ABC is a triangle, DE is a segment, and H is a half-plane bounded by ←→. EQ: In what ways can I represent the relationships that exist between similar figures. May 4th, 2019. Using the energy from the sun, water and carbon dioxide from the atmosphere and nutrients, they chemically make their own food. Doesn't get too difficult. 1) If a 6 ft tall tent casts a 10 ft long shadow then how long is the shadow that a 9 ft tall adult elephant casts? 2) A model plane has a scale of 1 in : 6 yd. In this lesson, you’ll learn how to use words like “gustar” and “encantar”. What is the length of BD? 1) 5 2) 9 3) 3 4) 4 6 In right triangle ABC shown in the diagram below, altitude BD is drawn to hypotenuse AC, CD =12, and AD =3. 12 Similarity and Proof. 5 and 45 5. Congruent Figures. HIJ is similar to STR. Some of the worksheets for this concept are Fractions work, Fractions work converting mixed fractions to, Grade 5 fractions work, Adding fractions like denominators, Converting fractions decimals and percents, Fraction, Fraction, Improper and. (1) (2) (3) (1) Basic Multiple Meaning Word Search Doc PDF; (2) Later Developing Multiple Meaning Words Word Search Doc PDF; (3) Multiple Meaning Sentence Search Doc PDF. l Worksheet by Kuta Software LLC Find the missing length. Students use proportions to determine side lengths of similar figures. Preview the activity prior to assigning it to class. All about kid's learning through spot the difference games, find difference pictures, spot difference puzzles, printable spot difference games. Home school worksheets are a vital part of the student's home school experience. Indicate how many significant figures there are in each of the following measured values. 12 Ratio and Proportion. Indicate how many significant figures there are in each of the following measured values. 3 42 not similar 2) 5 7 5 7 70 ° 20 28 20 28 110 ° similar 3) 3. Questions 1. 12 Similarity and Proof. Similarity is a form of proportion used to compare sizes of shapes and objects and the same rules apply when solving both similarity and proportion. Students read the short fiction passages and determine the life lesson of the story. A designation for aluminum alloys c. Two figures that have the same shape are said to be similar. Here you will find all we have for Similar Triangles Worksheet Pdf. similar, and apply similarity postulates and theorems in problems and proofs. This worksheet generator produces a variety of worksheets for the four basic operations (addition, subtraction, multiplication, and division) with fractions and mixed numbers, including with negative fractions. Similarity Worksheet State if the triangles in each pair are similar. Category: Geometry and Patterns Congruence and Symmetry Congruent Figures and Similar Figures. The ratio of the lengths of. Watch this video lesson to learn how you can tell if two figures are similar by using similarity transformations Geometry 6. Then find the area and the perimeter.