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26 February, 02:44

A right come has a slant height of 6 and a radius of 4 what is the surface area?

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  1. 26 February, 03:03
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    The SA formula to find a right cone is area of the base x 1/2 (perimeter) (slant height)

    To find the area of the base you do radius squared x pi

    Radius=11

    So 121pi is area of the base

    Perimeter=circumference of the circle

    So perimeter=24pi

    So 121pi x 1/2 (12pi) (6)

    12 x 6=72pi/2=36pi

    121pi x 36pi = 4356pi

    Answer: 4356pi
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