Name:    SOL Topic #8: Similar Triangles

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1. a. They are congruent. b. They are similar. c. They are equal in area. d. They are equal in perimeter.

2. a. No triangles in the figure are similar. b. ADE is similar to BCE c. ABD is similar to ABC d. ABE is similar to CDE

3. AB = 6
AC = 9
BC = 10
CE = 12 What is DE?
 a. 7.2 b. 8 c. 16 d. 20

4. a. 3.3 b. 7.5 c. 8 d. 15

5. a. b. c. d. 6. a. 2.8 m b. 4.5 m c. 8.9 m d. 10.0 m

7. a. 150 ft b. 375 ft c. 600 ft d. 750 ft

8. a. 24 ft b. 28 ft 4 in. c. 38 ft 6 in. d. 40 ft

9. a. b. c. d. 10. a. , , b. , , c. , , d. , , 11. a. 20 ft b. 30 ft c. 40 ft d. 50 ft

12. a. b. c. d. 13. a. b. c. d. 14. a. None of the triangles are similar. b. Only triangles ACE and CBE are similar. c. Triangle ABC is similar to only triangle ACE. d. Triangle ABC is similar to both triangle ACE and triangle CBE.

15. a. b. c. d. 16. a. 13 b. 17 c. 25 d. 30

17. a. b. c. d. 18. a. b. c. d. 19. a. inches c. 9 inches b. 6 inches d. 12 inches

20. a. 2.56 mi c. 5.76 mi b. 3.52 mi d. 6.08 mi

21.

DXYZ is similar to DSTR.  XY = 6 and ST = 12. If the perimeter of DSTR is 38,
then what is the perimeter of  DXYZ?
 a. 19 b. 38 c. 52 d. 76

22.

Given   Which is a true proportion?
 a. b. c. d. 23.

Which proportion can be used to find the value of PR if DXMQ is similar to DPRS? a. b. c. d. 24.

When standing upright, Gary knows his eyes are 6 feet above ground level. To determine the depth of a well, he stands in the position shown. Using the given measures, how deep is the well?
 a. 12 ft. b. 14 ft. c. 16 ft. d. 18 ft.