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7 The ratio of two corresponding sides of similar polygons is called the scale factor. *Reduce the ratios in the proportion to get the scale factor.
7-2 Similar Polygons. You used proportions to solve problems. 7-2 Similar Polygons - PowerPoint PPT Presentation. Create Presentation Download Presentation. Chapter 7 Geometry Jeopardy - . vocab. similar polygons. similar triangles. proportions and ratios. similar parts. final.
Displaying top 8 worksheets found for - Ratios In Similar Polygons Reteach. Some of the worksheets for this concept are Reteach, Reteach, 7 2 similar polygons answers pdf, 7 using similar polygons, Similar polygons and transformation answer key, Reteach, Ratios rates unit rates, Lesson practice b 7 1 ratio and proportion.
Notes Section 7.2 Two polygons are similar if and only if their corresponding angle are congruent and the measures of their corresponding sides are proportional. The symbol means is similar to. The ratio of the lengths of two corresponding sides of two similar polygons is call the scale factor. A
Section 8-1, pages 416 – 429 To write ratios and solve proportions Section 8-2, pages 423 – 431 To identify and work with similar polygons Section 8-3, pages 432 – 438 To use AA, SAS, and SSS similarity statements To apply AA, SAS, and SSS similarity statements
THEOREM 7.1: PERIMETERS OF SIMILAR POLYGONS Words If two polygons are similar, then the ratio Of their perimeters is equal to the ratio Of their corresponding Symbols If AABC AB + BC CA ADEF, then DE AB Checkpoint In the diagram, APQR 2. Find the value Of x. ASTU. 3. Find the ratio Of the perimeter Of ASTU to the perimeter of APQR.
7 2 Practice Similar Polygons Worksheet Answers
KLM QRS;5 :3 2. ABC XYZ; 10 : 7 3. not similar 4. not similar 5. LMPR QICK; 1 : 1 6. not similar 7. similar with ratio 10 : 11 8. not similar 9. similar with ratio 4 : 9 Reteaching 8-3 1. ZYXABC by AA 2. not similar 3. QEU SIO by SSS 4. RSTABC by AA 5. not similar 6. BAC XQR by SAS 7. yes; by SSS or by AA 8. No; the vertex angles may differ in ...
47. The ratio of the surface areas of two similar solids is 25:36. What is the ratio of their volumes? A 5:6 B 25:36 C 125:216 D 625:1296 48. On the coordinate plane below, plot the points A 1,2 , B 0,1 , and C 2,3 a. Show that the triangle is a right triangle and determine its area. b. Using 0,0 as the center of dilation and a scale factor of ...
(−2, 3) → P′; Q(7, 1):D(7, 1) = (2 − 4, 2 + 1) = (10, 3) →Q′; R (7, −3): D −3) = (2 − 4, 2[−3] + 1) = (10, −5) → R′; S(1, −3):D(1, −3) = (2 − 4, 2[−3] + 1) = (−2, −5) → S′ 2. (1.5 x + 1.5, 1.5 y − 2) 3. (0.4 x + 1.8, 0.4 y + 2.4) 4. (4x + 9, 4y + 6) 5. D(x, y) = (k[x − a] + a, k[y − b] + b) = (kx − Reteach - Amphitheater Public Schools ways to write a ratio. 4 7 4 to 7 4:7 Write each

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NAME DATE PERIOD Lesson 1 Reteach. ... Sample answer: The ratios of the side lengths are not equal for ... 7.5 = −2 5 6.5 7 5 13 Skills Practice Similar Polygons 7 ...