Practice | Hashtable

1. A swimming pool 9 m wide and 12 m long is 1 m deep on the shallow side and 4 m deep on the deeper side. It volume is :

A. 208 m³

B. 270 m³

C. 360 m³

D. 408 m³

Solution:

Volume :

\begin{aligned} = [12 \times 9 \times (\frac{1 + 4}{2})] m^{3} \\ = (12 \times 9 \times 2.5) m^{3} \\ = 270 m^{3} \end{aligned}

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