the rain water from a 22*20 m roof drain into a cylindrical vessel of diameter 2 m and the height 3.5 m if the rain water collected from the roof fills 4/5th of the cylindrical vessel then find the rainfall in centimeters.
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Answer:2 cm
Step-by-step explanation:
Volume of water = 22/7×1×1×2.8
= 8.8
Area of roof 20×22= 440
Rain = 8.8/440= .02= 2 cm
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