The radius of the base of a cylindrical water tank is 70cm •Find the height of the water in the tank if it contains 2•1×10 litres of water
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Radius =70/100 metres
Volume of water =2.1×10×1000/1000000
Volume of water=2.1/100 m^3
22/7×70/100×70/100×h=2.1/100
154h=2.1
h=2.1/154
1.06m
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