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外语
Tiffany inflates a beach ball. If the diameter of the ball is 0.6 m, what is its volume?
Tiffany inflates a beach ball. If the diameter of the ball is 0.6 m, what is its volume?
admin
2013-02-19
34
问题
Tiffany inflates a beach ball. If the diameter of the ball is 0.6 m, what is its volume?
选项
答案
0.036π m
3
解析
A beach ball is a sphere, and the equation for the volume of a sphere is(4/3)πr
3
. The diameter is given as 0.6 m, so the radius is half of that, 0.3 m. Substitute that value into the equation and solve:
Volume =(4/3)π(0.3
3
)
Volume =(4/3)π(0.027)
Volume = 0.036π m
3
or approximately 0.113 m
3
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GRE QUANTITATIVE题库GRE分类
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