Page 714 - Basic College Mathematics with Early Integers

CHAPTER 9 TEST 691

22
Find the volume of each solid. For the cylinder, use p L . 12.
7
12. 13. Find the surface area, also.

5 in.
2 ft

13.
2 in. 3 ft 5 ft

Solve.
14.
14. Find the perimeter of a square photo 15. How much soil is needed to fill a
with a side length of 4 inches. rectangular hole 3 feet by 3 feet by 2 feet?

16. Find how much baseboard is needed to 17. Vivian Thomas is going to put 15.
go around a rectangular room that mea- insecticide on her lawn to control
sures 18 feet by 13 feet. If baseboard grubworms.The lawn is a rectangle
costs $1.87 per foot, also calculate the measuring 123.8 feet by 80 feet.The
total cost needed for materials. amount of insecticide required is
0.02 ounces per square foot. Find how
much insecticide Vivian needs to 16.
purchase.

18. Given that the triangles are similar,
find the missing length n. 8 17.
5
12 n

19. Tamara Watford, a surveyor, needs to 18.
estimate the height of a tower. She
estimates the length of her shadow to be
4 feet long and the length of the tower’s ?
shadow to be 48 feet long. Find the
approximate height of the tower if 5! ft
3
she is 5 feet tall. 4 ft 48 ft
4 19.