Height of the cylindrical drum is 112cm.Find the radius of the drum if the capacity of that is 140.8 litre.
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Answer:
h= 112 cm
Volume of cylinder= pi r^2 h
22/7× r^2× 112= 140.8
r^2×22×16=140.8
r^2=140.8÷352
r=√0.4= +0.2
As radius can't be negative
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