Question

the lateral S.A of a cube is 256 cm2 Find its volume

Answer 1

CSA of cube =4a2
256=4a^2
256/4=a^2
64=a^2
$\sqrt{64} = a$
8=a
Side of the cube is 8
Volume of cube =8^3
=512cm^3

Answer 2

Lsa=4a square =252 cm2
a=252/4
a=63
volume of cube=a3
therefore,63×63×63 is the answer