the slant height and base diametre of a conical tomb are 25m and 14m respectively. find the cost of whitewashing its curved surface at the rate of Rs12per square.
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csa of a cone=πrl
=22/7*25*7
=22*25
=550m^2
rate of whitewashing=550*12
=6600 rupees
=22/7*25*7
=22*25
=550m^2
rate of whitewashing=550*12
=6600 rupees
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