Question

The base of a right prism is a square with edge 4 . The volume is 128 . The height is ?

Answer 1

h $=128/(4^2) \\ =128/16 \\ =8$

Answer 2

Volume = (length) x (width) x (height)

Height = (Volume) / (length x width) = 128 / (4 x 4) = 128/16 = 8 .