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5 September, 21:25

Find the surface area of a cone with diameter 18 inches and slant height 22 inches

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  1. 5 September, 22:10
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    22^2+9^2 = square root (sqrt) 565

    sqrt 565 is the height

    π x r^2 h/3 is the formula for a cone

    π x 9^2 x sqrt 565/3

    = 2016.22 inches
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