A right circular cylinder is closed at its both ends . Find the cost of painting its total surface area at 0.50 per sq cm if the radius is 7cmcm and heght 12cm
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TSA of cylinder=πr(r+h)
22/7×7×(7+12)
=22×19
=209
cost of painting=209×0.5=104.5 Rs
22/7×7×(7+12)
=22×19
=209
cost of painting=209×0.5=104.5 Rs
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Yes please help me I am confused
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