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1. |
Name the figure. |
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A. |
cone |
B. |
cylinder |
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C. |
pyramid |
D. |
sphere |
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Hint |
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2. |
The radius of a cone is 6 inches. The height is 12 inches. If the radius of the cone is tripled and the height remains the same, what is the volume of the new cone? |
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A. |
6107.3 cubic inches |
B. |
16,286.0 cubic inches |
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C. |
4071.5 cubic inches |
D. |
24,429.0 cubic inches |
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Hint |
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3. |
What happens to the volume of a pyramid if the height is tripled? |
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A. |
The new pyramid has a volume nine times the original. |
B. |
The new pyramid has a volume three times the original. |
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C. |
There is no difference in volume. |
D. |
None of these is correct. |
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Hint |
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4. |
Find the volume of a pyramid 420 feet high and with a base measuring 721,000 square feet. |
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A. |
42,394,800,000 cubic feet |
B. |
21,197,400,000 cubic feet |
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C. |
100,940,000 cubic feet |
D. |
151,410,000 cubic feet |
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Hint |
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5. |
What is the volume of a cone with a diameter of 21 cm and a height of 33 cm? Round to the nearest tenth. |
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A. |
371.5 cm3 |
B. |
363.1 cm3 |
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C. |
3,993.6 cm3 |
D. |
11,980.7 cm3 |
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Hint |
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