find the volume sphere whose surface area is 154 cm *cm
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surface area of sphere=4*pi*r^2---(1)
given surface area=154cm^2----(2)
(1)=(2)
4*22/7*r^2= 154
r^2= (154*7)/(4*22)
after cancellation
r^2=(7/2)^2
r=7/2cm
volume=4/3*pi*r^3
=4/3*22/7*7/2*7/2*7/2
=4312/3 cm^3
given surface area=154cm^2----(2)
(1)=(2)
4*22/7*r^2= 154
r^2= (154*7)/(4*22)
after cancellation
r^2=(7/2)^2
r=7/2cm
volume=4/3*pi*r^3
=4/3*22/7*7/2*7/2*7/2
=4312/3 cm^3
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