a) 720 m3
b) 900 m3
c) 1200 m3
d) 1800 m3
Answer: c
Explanation:
$$\eqalign{
& 2\left( {15 + 12} \right) \times h = 2\left( {15 \times 12} \right) \cr
& \Rightarrow h = \frac{{180}}{{27}}m = \frac{{20}}{3}m \cr
& {\text{Volume}} = \left( {15 \times 12 \times \frac{{20}}{3}} \right){m^3} \cr
& \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 1200\,{m^3} \cr} $$
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