a water tank is made up of with the combination of cylinder and hemisphere the wall height of the tank is 17 metre and a base area is 154 cm square find the total cost of painting its inside surface area at the rate of Rs 5 per metre square?
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Step-by-step explanation:
Base area = 616m sq.
πr^2 = 616
r^2 = 616*7/22
r^2 = 196
r = 14
Radius =14 m
Height = 48 m
CSA of cylinder = 2πrh
=2*22/7*14*48
=5984m sq.
Volume of cylinder = πr^2h
=22/7*14*14*48
=29568m cube
I hope it is helpfull...
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