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    lopo's Avatar
    lopo Posts: 1, Reputation: 1
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    #1

    Jul 17, 2012, 04:11 AM
    how to find surface area of a cone in terms of pi
    I am struggling to find out how to find the surface area of a cone giving all answers in terms of pi... radius is 8 and slant height is 12... Please help?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jul 17, 2012, 05:38 AM
    Do you know the formula for the surface area of a cone? :confused:
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Jul 17, 2012, 05:43 AM
    Given the radius of the base =R and the slant length S: the area of the slanted side of the cone is and the area of the base is . The total surface area is the sum of these.
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