1. BINGO
Chapter 8

2. #1
When a 10 foot garden shed casts a 5 foot 3 inch shadow, a house casts a 24 foot shadow. Find the height of the house.

3. #2
The scale model for the building has a height of 5 inches and a width of 3 inches. If the actual building is 20 feet tall, how wide is it?

4. #3
Name the theorem or postulate that can be used to prove that these triangles are similar.

5. #4
Determine if the triangles are similar. Justify your answer.

6. #5
Determine if the triangles are similar. Justify your answer.

7. #6
If quadrilateral DEFG ~ quadrilateral WXYZ, find the measure of angle W.

8. #7
Find the value of x.

9. #8
Find CE.

10. #9
Are the triangles similar? If so, write a similarity statement and find the scale factor from left to right.

11. #10
Solve the proportion.
2𝑥 5 = 𝑥+7 4

12. #11
Solve the proportion.
2𝑥−3 4 = 4𝑥+2 5

13. #12
Find the value of x.

14. #13
The scale of a map is 0.5 inch : 20 miles. On the map, the distance between two cities is 1.5 inches. What is that actual distance between the two cities?

15. #14
Find the value of x.

16. #15
𝐴𝐷 bisects angle A. Find the value of x.

17. #16
ΔABC ~ ΔEFG. AB = 12, AC = 6, EG = 3, and FG = 5. Find the scale factor of ΔABC to ΔEFG.

18. #17
Identify the similar triangles and find the value of x.

19. #18
Identify the similar triangles, and find the value of x.

20. #19
Find the value of x.

21. #20
By what theorem can the triangles be proved similar? Write a similarity statement.

22. #21
$1= .75 euros. How many dollars is 550 euros?

23. #22
Find the value of x.

24. #23
Is the following picture a reduction or enlargement?

25. #24
A certain triangle has vertices A(3,0), B(-1,2) and C(5,3). What are the coordinates of the vertices of the image if it is dilated with the scale factor k=3?