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Name Class Date Practice 7-2 Similar Polygons Are the polygons similar? If they are, write a similarity statement, and give the similarity ratio. If they are not, explain. 2. X A 6 5 12 10 R Q 7 Y 20 — 3 Z 20 — 3 A 3. 4 4 S 3 T 5 B 14 B 4. J 8 C K S 8 8 8 M M 8 120 8 60 8 R B 16 5 3 A 6. X K 4 Y ? 10. MN IJ = JK 9 9 L 4 4 N 21 M W 4 6 M Z J IJ = HK 12. MN ? K N M 9. N ? HI 11. HK = LM ? 6 35 20 N 8. K ? Z C LMNO M HIJK. Complete the proportions and congruence statements. 7. M ? 3 5 N C U Y K 12 8 120 60 L 5. T 5 X 3 All rights reserved. 1. L O I H C 13. 14. P Q G 5 ft A 6 ft L 3.3 ft B E x 3 in. F S G 15. 1.5 cm Z 4 cm W K x H M Y X R 8 in. 16. J x F M 5 in. 15 m L x O P 6m S 9m N Q R 10 cm E G kWXZ M kDFG. Use the diagram to find the following. Z 17. the similarity ratio of WXZ and DFG 18. mZ 21. mG 2 19. DG 22. mD Lesson 7-2 Practice 20. GF 23. WZ 3 W 37 4 X D 6 F Geometry Chapter 7 © Pearson Education, Inc., publishing as Pearson Prentice Hall. Algebra The polygons are similar. Find the values of the variables.