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Key Quiz 9.4
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1
Find the volume of the cone shown to the nearest cm3.
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A)74 cm3
B)733 cm3
C)2199 cm3
D)4105 cm3
2
Find the volume of the sphere shown to the nearest cubic yard:

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A)2216 yd.3
B)12 741 yd.3
C)38 224 yd.3
D)50 965 yd.3
3
Approximately what percentage of the volume of a cube could be filled by a sphere which fits perfectly inside?
A)13%
B)39%
C)52%
D)79%
4
A cone has a volume of 256.563 cm3. If its height is 5 cm, find its radius.
A)4 cm
B)7 cm
C)9.8 cm
D)12.4 cm
5
The volume of the Sun is approximately 3.4 x 1017 cubic miles. Use this figure to calculate its approximate radius in miles
A)6.9 x 105 miles
B)4.8 x 105 miles
C)4.3 x 105 miles
D)2.8 x 108 miles





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