A cylindrical tank has a capacity of 6160 cm find its depth if its radius is 14 cm calculate the cost of painting the curved surface at rate of rupees 3 per m square
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Answer:
vol. of cylinder = πr 2h
πr 2h=6160, r=14cm
h=6l60x7/22x14^2 = 10cm
CSA=2πrh
2πrh=2x22x14x10/7=880cm2
cost of painting =880x3
Rs2640
=
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