the rain water from a 22cm *20m roof drains into a cylindrical vessel of diameter2m and height 3.5m. if the rainwater collected from the roof fills 4/5th of the cylindrical vessel, then find the rainfall..
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Step-by-step explanation:
Dimension of roof= 0.022m×20m
Diameter= 2m
Radius=1m
Height=3.5m
Volume of water collected in cylindrical vessel=4/5(2pirh)
= 4/5×22/7×3.5×1
=17.6mcube
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suno ans 2cm hai
volume of cylinder is πr^2 h
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