V=a^3
a = side length
The square root of 81 = 9 = side length
Find the volume of cube , one face of which has an area of 81ms square
2 answers
L=W=h = sqrt 81 = 9 m.
V = L * W * h = 9 * 9 *9 = 729 m^3.
V = L * W * h = 9 * 9 *9 = 729 m^3.