the surface area of a sphere is 616 ,find its radius
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Answered by
12
Surface Area of sphere = 616
4 * pie * r2 = 616
4 * ( 22 / 7 ) * r2 = 616
r2 = 49
r = 7 cm
4 * pie * r2 = 616
4 * ( 22 / 7 ) * r2 = 616
r2 = 49
r = 7 cm
Answered by
4
surface area of sphere= 4πr^2
therefore 616=4πr^2
616/4=πr^2
154=22/7xr^2
154x7=22r^2
r^2= 1078/22
r^2=49
r=√49
radius is equal to 7
therefore 616=4πr^2
616/4=πr^2
154=22/7xr^2
154x7=22r^2
r^2= 1078/22
r^2=49
r=√49
radius is equal to 7
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