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Question
Find the radius of a sphere if its volume is 904.32 cubic cm. (π = 3.14)
Solution
Let the radius of the sphere be r cm.
Volume of the sphere = 904.32 cm3
∴ `4/3`πr3 = 904.32 cm3
⇒ r3 = `[ 904.32 xx 3]/[4 xx 3.14]`
⇒ r3 = 216
⇒ r3 = (6)3
⇒ r = 6 cm
Thus, the radius of the sphere is 6 cm.
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