Question

the volume of cube is 64 centimetre cube find its surface area

Answer 1

Volume of cube= 64cm3 ( given)
side of cube = 4cm
now curved surface area of cube =
$4a {}^{2}$
4*4*4=64cm square ..

total surface area of cube=
$6a {}^{2}$
6*4*4= 96 cm square..

Answer 2

Volume of a cube =side^3
64=side ^3
4=side
Surface area of cube =4 a^2
4(4)^2
=4(16)=?