1. Test Review Ratio/Rate/Similar Figures (proportion)
22 Nov 10
Test Review
Ratio/Rate/Similar Figures (proportion)

2. #1
On a map, the distance between San Antonio and Houston is 6 1/2 inches. If the scale of the map is 1/2 inch = 15 miles, about how long would it take the Garoni family to drive from Houston to San Antonio if they drove 60 miles per hour?
(Hint: answer should be in hours and minutes.)

3. 1A

4. #2
When projected onto a movie screen, the image from a film is 9 meters wide and 6.75 meters high. If the image from this same film is projected so that it appears 8 meters wide, what is the height of the projected image?

5. 2A

6. #3
For every 7 people who say they floss daily, there are 18 people who say they do not. Write and solve a proportion to determine out of a total of 65 people how many you would expect to say they floss daily. (Hint: label the ratios and make sure the same thing is being compared on both sides of the equal sign.)

7. 3A

8. #4
An 8 ounce serving of milk provides 30% of the daily value of calcium. How much milk provides 50% of the daily value of calcium?

9. 4A

10. #5
An artist is measuring a rectangular canvas. Its length is 30 in. The distance from one corner of the canvas to the other (along the diagonal) is 34 in. What is the width?

11. 5A
a2 + b2 = c2
302 + b2 = 342
900 + b2 = 1156
b2 = 256

12. #6
Express 9 inches:3 yards as a ratio in simplest form.

13. 6A

14. How tall is the flagpole?#7
How tall is the flagpole?

15. 7A

16. #8
Write a proportion to find the missing measure. Then solve.

17. 8A

18. #9
Determine whether the pair of polygons is similar. Explain your reasoning.

19. 9A
Proportional; Cross Products are Equal

20. #10
The pair of polygons is similar. Write a proportion to find the missing measure. Then solve.

21. 10A

22. #11
The Washington Monument casts a shadow 200 m long. At the same time, a nearby van that is 2.1 m high casts a shadow 2.5 m long. How tall is the monument?
Draw and label a diagram. Write a proportion. Solve the proportion.

23. 11A

24. #12
One of the models of a dinosaur used in the filming of a movie was only 15 inches tall. In the movie, the dinosaur appeared to have an actual height of 20 feet. What was the scale factor of the model?

25. 12A

26. #13 Find the scale factor for each scale. a. 1 inch = 15 feet
b. 10 cm = 2.5 m

27. 13A

28. #14
The top of a badminton net is 5 feet high. Ropes connect the top of each pole to stakes in the ground. The ropes are 8.5 feet long. What is the closest distance from a stake to the base of a pole?

29. 14A
a2 + b2 = c2
a = 8.52
a2 +25 = 72.25
a2 = 47.25