The diameter of pipe of length 20 is 60 cm. Find the cost of painting the surface of the pipe at the rate of 12rs per m2
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csa of cylinder=2πrh
=2x22/7x60/2x20
=26400/7 m2
cost of painting
=26400/7x12
=316800/7
=45,257.14 rs
=2x22/7x60/2x20
=26400/7 m2
cost of painting
=26400/7x12
=316800/7
=45,257.14 rs
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