Practice | Hashtable

1. A circular well with a diameter of 2 metres, is dug to a depth of 14 metres. What is the volume of the earth dug out ?

A. 32 m³

B. 36 m³

C. 40 m³

D. 44 m³

Solution:

Volume :

\begin{aligned} = π r^{2} h \\ = (\frac{22}{7} \times 1 \times 1 \times 14) m^{3} \\ = 44 m^{3} \end{aligned}

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