find the cost of painting 10 cylinderal pillar of a building at rupees 3.50 per metre square if the dimension in height of each pillar and 74cm and 7m
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CSA of 1 cylindrical pillar is
CSA=2πrh
=2×22/7×37×7
=1628 meter square
cost per painting meter square= 3.50rupees
cost of painting 1 pillar=5698 rupees
CSA=2πrh
=2×22/7×37×7
=1628 meter square
cost per painting meter square= 3.50rupees
cost of painting 1 pillar=5698 rupees
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