Question

9. The surface area of a cube is 294cm2.Find the volume of cube.

Answer 1

$tsa = 6 {a}^{2} \\ \frac{294}{6} = {a}^{2} \\ \sqrt{49} = a \\ vol = {a}^{3} \\ vol = {(7)}^{3} \\ vol = 343 {cm}^{3}$