# What is the volume of a cube with side a?

#### Joseph M. Hyman

##### New member
What is the volume of a cube with side a?
A. $\frac{a^3}{8}$
B. $a^2$
C. $a^3$
D. $\frac{a2}{4}$

#### Chris VanDamme

##### New member
Explanation: $\int_0^a \int_0^a \int_0^a dxdydz = (\int_0^a dx)(\int_0^a dy)(\int_0^a dz)= a^3.$