Question

If surface area of a sphere is 676cm^2 then find its radius

Answer 1

Surface area of sphere= 4πr^2

676cm^2 = 4x 22/7 x r^2
==> 676 x 7/ 22x4 = r^2

Answer 2

Answer: r=13cm.

Step-by-step explanation:

Hey mate..

Surface area of sphere is 4pie*r*r

so..4*pie*r*r=676 pie

r*r=676/4

r*r=169

r=13cm..

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