Question

The lateral surface area of a cube is 256 cm square find its volume . Class 9 maths question

Answer 1

Step-by-step explanation:

CSA of a cube =256

4(side)^2 =256

side^2=256/4=64

side=

$\sqrt{64 = 8}$

volume of cube= side^3

(8)^3

512cm

Answer 2

Answer:

4a²=256(lsa of a cube)

So a²=256/4

a²=64

So a=8

Vol. = a³

So volume = (8)³

=512