Math, asked by salonigamilcom5434, 2 months ago

If S=4 pi r squared and r=21/2 find the value of S
(Take pi to be 22/7)

Answers

Answered by Jiya3052
0

S = 4 × 22/7 × 21×2 × 21× 2

S = 66× 21 = 1386

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