Question

The volume of a cube is double the volume of the cuboid with volume 6.912cm cube . Find the length of an edge of the cube.

Answer 1

volume of cube = 2× volume of cuboid
= 2× 6.912
= 13.824



now, edge of cube =
$\sqrt{13.824 = 3.718...}$
so answer= 3.718 cm

Answer 2

hope it will helps ..

thank u ..