Question

surface area of sphere is 314 find radius π=22/7​

Answer 1

Answer:

given, surface area =314

surface area of sphere= 4πr^2

314= 4πr^2

314=4×22/7×r^2

314×7/ 4×22 = r^2

= 274.75=r^2

√274.45 =r

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