Question

Find the volume of a cube whose surface area is 384m².

Answer 1

Surface area of cube = 384 m² (Given) 

Let length of each edge of cube = a metre

6a² = 384

a² = \(\frac{384}{6}\) = 64

a = \(\sqrt{64}\) = 8 m

Volume of cube = a³ = (8)³ = 512m³