A cylindrical pillar is 50 cm in diameter and 3.5 m in height. find the cost of painting the curved surface of the pillar at the rate of rs. 12.50 per sqm.
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d=50cm
r=50/2=25
h=3.5=35/10(convert)
curved surface area of cylinder=2πrh
=2*22/7*25*35/10
=22*5*5
=22*25
=550
1 sq m =rs 12.50
550 sq m =rs ?
=rs 12.50*550
=rs 6875
r=50/2=25
h=3.5=35/10(convert)
curved surface area of cylinder=2πrh
=2*22/7*25*35/10
=22*5*5
=22*25
=550
1 sq m =rs 12.50
550 sq m =rs ?
=rs 12.50*550
=rs 6875
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