4 cm of rainfall was recorded after an hour of rain. how much water fell on the roof of a cuboidal house 20 m long, 15 m wide and 10 m in height during that hour?
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It will be 12 m³
Step-by-step explanation:
4 cm i.e. 0.04 m of rainfall was recorded after an hour of rain.
Now, a cuboidal house is 20 m long, 15 m wide and 10 m in height.
So, the dimensions of the roof of the house will be 20 m by 15 m.
Therefore, the total rainwater fell on the roof of the cuboidal house during this rain hour will be
(20 × 15 × 0.04) = 12 m³. (Answer)
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