The surface area of a sphere is 394.24 m square. Find its radius and volume.
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Since surface area of a sphere = 394.24 m ^2
=) 4* pi * r^2 = 394.24 m^2
=) 4*22/7 * r^2 = 394.24 m^2
=) r^2 = 31.36 m^2
=) r = 5.6 m
Since V = 4/3 * pi * r^3
= 4/3 * 22/7 * 5.6*5.6*5.6 m^3
= 735.91 ..m^3.
Hope it's helpful to u.
=) 4* pi * r^2 = 394.24 m^2
=) 4*22/7 * r^2 = 394.24 m^2
=) r^2 = 31.36 m^2
=) r = 5.6 m
Since V = 4/3 * pi * r^3
= 4/3 * 22/7 * 5.6*5.6*5.6 m^3
= 735.91 ..m^3.
Hope it's helpful to u.
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