the volume of a mud taken out on digging a cylindrical tank is 1540metrecube. find the depth of the tank if the diameter of the base is 7m?
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volume of cylinder = πr^2h
1540= 22/7 X 7/2 X7/2 X h
1540= 77/2 X h
1540 X 2/77=h
40 = h
-> depth = 40 meter
1540= 22/7 X 7/2 X7/2 X h
1540= 77/2 X h
1540 X 2/77=h
40 = h
-> depth = 40 meter
vipinmamgai:
7/2 kaise aaya
diameter = 7 so the radius will be half of diameter which is 7/2
ok thanks
your welcome
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