the volume of earth taken out on digging a cylindrical well is 1540mcube. find the depth of the tank if it base has radius 350cm.
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Radius = 350 cm = 3.5 m
Volume of the cylindrical well = 1540 m^3
πr^2h = 1540
22×3.5×3.5×h/7 = 1540
22×35×35×h/700 = 154
22×35×h = 3080
h = 616×22/7
h = 1936 m
hence the depth of the tank is 1936 m
Volume of the cylindrical well = 1540 m^3
πr^2h = 1540
22×3.5×3.5×h/7 = 1540
22×35×35×h/700 = 154
22×35×h = 3080
h = 616×22/7
h = 1936 m
hence the depth of the tank is 1936 m
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