A radius of the base of a right circular cone having carved surface area 528 CM square and slant height 21 CM will be

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A radius of the base of a right circular cone having carved surface area 528 CM square and slant height 21 CM will be

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Eva 2 months 2021-07-27T15:22:57+00:00 1 Answers 0 views 0

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    2021-07-27T15:24:26+00:00

    curved \: surface \: area \: of \: cone \:  = \pi  rl

    528 =  \frac{22}{7}  \times 21 \times r

    528 = 22 \times 3 \times r

    528 = 66r

    r =  \frac{528}{66}

    r = 8cm

    therefore \: radius \: of \: the \: cone \: will \: be \: 8cm

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