## Prealgebra (7th Edition)

$A=6\times 2.5^2=37.5$ square in. $V=2.5^3=15.625$ cubic in.
This solid is a cube as all of its sides are equal. The volume of a cube can be calculated as: $V=a^3$ Here: $V=2.5^3=15.625$ cubic in. The surface of a cube can be calulated as: $A=6\times a^2$ Here: $A=6\times 2.5^2=37.5$ square in.