Radius of sphere whose surface area
is 616sqm
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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 ✌️
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