The volume of a cube is 729 cm3. Find its surface area. – InterviewSolution

1.

The volume of a cube is 729 cm3. Find its surface area.

Answer»

Let us assume the edge of the cube be a

We know that,

Volume of the cube = a³

a³ = 729 cm³

a = \(\sqrt[3]{729}{}\)

a = 9 cm

We also know that,

Total surface area of cube

= 6a² = 6 × 9 × 9

= 486 cm²

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