Question

Radius of sphere whose surface area
is 616sqm​

Answer 1

Surface area of a sphere= 4πr^2

4πr^2 = 616

4×22/7×r^2=616

Dividing both sides by 4

22/7r^2 = 154

Multiplying both sides by 7 will give

22× r^2 = 154×7

Divide both side by 22

r^2 = 7×7= 7^2

r = 7

Radius of the sphere = 7 cm

hope this helps u ✌️

Answer 2

Answer:

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