in a rain water harvesting system the rain water from a roof of 22m×20m drains into a cylindrical tank having diameter of base 2 m and height 3.5 m . if the tank is full , find the rainfall in cm
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Step-by-step explanation:
V of roof=V of tank (tank is full)
L*B*H=pie * r2 * h
H*20*22=22/7 * 3.5
H = 1/40m
= 2. 5 cm
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