Answer:
V = 27m³
Explanation:
We know: All faces of a cube are squares.
The formula of an area of a square with a side s:
A = s²
We have A = 9m²
Substitute:
s² = 9 → s = √9 = 3 m.
The formula of a volume of a cube with an edge s:
V = s³
Substitute:
V = 3³ = 27 m³