how many cubic metres of earth must be dug up to sync a well 16 m in depth and 7 m in diameter
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Volume = pi × r×r×h
=3.14 × 3.5 ×3.5×16
= 615.44 sq. m
=3.14 × 3.5 ×3.5×16
= 615.44 sq. m
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Given,
Radius=Diameter=7/2
Height of cylinder = 22/7×(7/2)^2×16
11×7×8
616 cubic meters answer
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