Question

An overhead water tanker is in the shape of a cylinder has capacity of 616 litres. the diameter of the tank is 5.6m. Find the height of tank

Answer 1

Diameter of tank = d=5.6m
radius of tank = r =d/2
=5.6/2
=2.8m
volume of cylinder =616
V= λr²h

616=22/7 x 2.8 x 2.8 x h
616 x 7/22 x 10/28 x 10/28 =h
h=25m

Answer 2

Let height of the tank be x
Given,
Diameter of tank=5.6m =>radius =5.6÷2
Capacity or volume of the tank =616 litres
=>22/7×5.6/2×5.6/2×h =616 litres
=> 5.5×0.8×5.6×h=616 litres
=>24.64×h=616 litres
=>h=616/24.64=25m

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