if the volume and surface area of a sphere is numerically equal then find the radius of the sphere
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let radius of the sphere= r units
volume = surface area
4/3*pi*r^3= surface area
(4*pi*r^2)*r/3=surface area
surface area*r/3= surface area
after cancellation
r/3=1
r=3 units
volume = surface area
4/3*pi*r^3= surface area
(4*pi*r^2)*r/3=surface area
surface area*r/3= surface area
after cancellation
r/3=1
r=3 units
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