SEE EXAMPLE 4 p. 483 Find the length of each segment. ̶̶ ̶̶ 6. QR and RS ̶̶ ̶̶ 7. CD and AD � � ����� � � �� ������ � � � �� � ����� � ����� � PRACTICE AND PROBLEM SOLVING Independent Practice For See Exercises Example 8–9 10–11 12 13–14 1 2 3 4 Extra Practice Skills Practice p. S17 Application Practice p. S34 Find the length of each segment. ̶̶ 8. KL � � ̶̶ 9. XZ � � � � � � � � �� � � �� �� � � � Verify that the given segments are parallel. ̶̶ ̶̶ ̶̶ ̶̶̶ 10. AB and CD 11. MN and QR � � � � � �� � � ���������� � �� � � 12. Architecture The wooden treehouse has horizontal siding that is parallel to the base. What are LM and MN to the nearest hundredth? � � ������� � � ������� � � ������ � � ������ � � ̶̶ ̶̶ 14. ST and TU � � ������ �� �� � � � � ����� � � ��� � Find the length of each segment. ̶̶ ̶̶ 13. BC and CD �������� �� �� � ���� � � �� ǁ DE . Complete each proportion. ǁ FG In the figure, BC AC AB AE � 15. _ = _ 16. _ = _ DF EG BD DF = _ EG 17. _ CE AF = _ 18. _ AB AC BD = _ 19. _ CE EG AB = _ BF 20. _ AC � � � � � � � 21. The bisector of an angle of a triangle divides the opposite side of the triangle into segments that are 12 in. and 16 in. long. Another side of the triangle is 20 in. long. What are two possible lengths for the third side? 7- 4 Applying Properties of Similar Triangles 485

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