Page 690 - Basic College Mathematics with Early Integers

S E C T I O N 9.5 I VOLUME AND SURFACE AREA 667

21. Find the volume of a rectangular block of ice 2 feet 22. Find the capacity (volume in cubic feet) of a
1 1 rectangular ice chest with inside measurements of
by 2 feet by 1 feet.
2 2 1 3
3 feet by 1 feet by 1 feet.
2 4

23. Find the exact volume of a waffle ice cream cone 24. A snow globe has a diameter of 6 inches. Find its
with a 3-in. diameter and a height of 7 inches. exact volume.Then approximate its volume using
3.14 for .p

25. Zorbing is an extreme sport invented by two New 26. Mount Fuji, in Japan, is considered the most
Zealanders who joke that they were looking for a beautiful composite volcano in the world.The
way to walk on water.A Zorb is a large sphere inside mountain is in the shape of a cone whose height is
a second sphere with the space between the spheres about 3.5 kilometers and whose base radius is about
pumped full of air.There is a tunnel-like opening so 3 kilometers.Approximate the volume of Mt. Fuji in
a person can crawl into the inner sphere.You are 22
strapped in and sent down a Zorbing hill.A standard cubic kilometers. Use for .p
7
Zorb is approximately 3 m in diameter. Find the
exact volume of a Zorb, and approximate the volume
using 3.14 for . p

27. Find the volume of a pyramid with a square base 28. Approximate to the nearest hundredth the volume
3 of a sphere with a radius of 2 centimeters. Use 3.14
5 inches on a side and a height of 1 inches.
10 for p.

The Space Cube is supposed to be the world’s smallest computer, with dimensions of 2 inches by 2 inches by 2.2 inches.

29. Find the volume of the Space Cube. 30. Find the surface area of the Space Cube.

Review

Evaluate. See Section 1.9.

31. 5 2 32. 7 2 33. 3 2 34. 20 2

2
2
2
2
35. 1 + 2 2 36. 5 + 3 2 37. 4 + 2 2 38. 1 + 6 2