Question

find the volume of sphere whose surface area 132cm²
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Answer 1

4 pi r² = 132

r² = 132 × 7/ 22 × 4

r² = 21/2

volume = 4/3pi r³

V = 4/3 × 22/7 × 21/2 × root 21/root 2

V = 44root21/root2