The surface area of a sphere is 24.64 cm square. Find its volume
Answers
Answered by
0
surface area of sphere=4*pi*r^2---(1)
given surface area=24.64cm^2---(2)
(1)=(2)
4*22/7*r^2=24.64
r^2=(24.64*7)/(4*22)
after cancellation
r^2=(1.4)^2
r=1.4cm
volume=4/3*pi*r^3
=4/3*22/7*1.4*1.4*1.4
=(4*22*1.4*1.4*0.2)/3
simplify it
you get the answer
given surface area=24.64cm^2---(2)
(1)=(2)
4*22/7*r^2=24.64
r^2=(24.64*7)/(4*22)
after cancellation
r^2=(1.4)^2
r=1.4cm
volume=4/3*pi*r^3
=4/3*22/7*1.4*1.4*1.4
=(4*22*1.4*1.4*0.2)/3
simplify it
you get the answer
Similar questions