Question

The volume of the cube is 729 cm cube.find its edge.

Answer 1

Let it's edge be y.
Volume of cube=y³
729=y³
y=∛729
y=9
∴The edge of the cube = 9 cm
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Hope this helps you out.

Answer 2

Hi ,

Let us assume edge of a cube = a cm

volume = 729cm³

a³ = ( 9 cm )³

a = 9 cm

Therefore ,

The edge of a cube = a = 9cm

I hope this helps you.

: )