Question

the area of one face of a cube is 36 sq feet. what is the volume of a cube that had edges that are twice as long?

Answer 1

The cube with  1 face with area 36 ft^2 has an edge of 6 ft.

The other cube has edges 2 * 6 = 12 ft long and its volume is 12^3

=  1728 ft^3 (answer).