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Question
Find the volume of a sphere whose radius is 7 cm.
`["Assume "pi=22/7]`
Solution
Radius of sphere = 7 cm
volume of a sphere = `4/3pir^3`
= `[4/3xx22/7xx(7)^3]cm^3`
= `(4312/3)cm^3`
= `1437 1/3 cm^3`
Therefore, the volume of the sphere is `1437 1/3 cm^3`.
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