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19 April, 03:39

Cone, diameter of base 18 ft slant height 14 ft

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  1. 19 April, 04:05
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    207π ft²

    Step-by-step explanation:

    Given in the question,

    diameter of the base = 18 ft

    slant height = 14 ft

    radius of the base = 18/2

    = 9 ft

    Formula to calculate the surface area

    A = πrl+πr²

    here l = slant height

    r = radius of the base

    plug values in the formula

    A = π (9) (14) + π9²

    A = 207π ft²
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