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26 August, 19:28

Surface area of the cone below is about 151.58 in.² the radius of the base is 4 inches what is the slant height using 3.14 for pi round your answer to the nearest whole number

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  1. 26 August, 19:42
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    surface area of cone = πr²+πrl

    151.58=3.14*4*4+3.14*4*l

    151.58=50.24+12.56*l

    151.58=62.8*l

    62.8 62.8

    l = 2.414
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