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The radius and the slant height of a cone are in the ratio of 4:7 it's curved surface area is it is 792 centimeter Sq. find it radius



Let the common factor be x..so radius=4x and slant height=7x so...curved surface area =792 cm sq. =22/7*4x*7x...so x=792/88=9...so radius =4*9=36cm
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