Question

5. Find the volume of the following cubes
c) edge 70 m
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Answer 1

Answer:

I hope it's helpful to you

Answer 2

Let the side of a cube be a cm

As we know that

Volume of a cube with side a is a3

Given volume of a cube is 729 cm3

⟹a3=729

⟹a=9

Surface area of cube is 6a2=6×92=486 cm2