How much earth needs to be dug to makewell of height 7 m and diameter – InterviewSolution

1.

How much earth needs to be dug to makewell of height 7 m and diameter 2 m?

Answer»

Height = 7m and Diameter = 2m

Find Radius:

Radius = Diameter ÷ 2

Radius = 2 ÷ 2 = 1 m

Find volume:

Volume = πr²h

Volume = π(1)²(7) = 22 m³

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