10.1 Review Worksheet (continued)
25. a square prism with a base area of 49 ft 2 and a height 2 ft less than the base edge length
26. Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4 in., how many cubic yards of dirt does he need? If dirt costs $25 per yd 3 , how much will the project cost? ( Hint : 1 yd 3 = 27 ft 3 )
Find the volume of each cylinder. Give your answers both in terms of π and rounded to the nearest tenth. 27. 28.
14 cm
6 in.
3 in.
9 cm
29. a cylinder with base area 24 π cm 2 and height 16 cm
Describe the effect of each change on the volume of the given figure. 30. The dimensions are multiplied by 5.
3 5
31. The dimensions are multiplied by
.
2 yd
10 m
3 yd
5 m
162
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