Math, asked by aneejaakku911, 8 months ago

in a rain water harvesting system the rain water from a roof of 22m *20m drains into a cylindrical tank having diameter of the base 2m and height 3.5m . if the tank is rainfall in cm .

Answers

Answered by GamiGargi
12

Step-by-step explanation:

ANSWER

Rectangular roof : l=22m,b=20m

Cylindrical tank : r=1m,h=3.5m

The volume of tank =πr2h

=722×1×1×3.5

=722×1035

=11m3

Area of roof =l×b=22×20=440m2

Rainfall =Area of roofVolume of tank

∴ Rainfall =440m211m3=0.025m

∴ Rainfall is 2.5cm 

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