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Math Help - Surface area questions

  1. #1
    Newbie
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    Surface area questions

    I need to figure out these questions.

    1. The total surface area of a rectangular polyhedron is 216 in2. If the length and width are 10 and 6 inches respectively, find the height.

    2. The total surface area of a cone is 14 cm2. If the radius is 2 cm, find the slant height.

    3. The total surface area of a sphere is 64in2. Find the radius.

    4. Find the total surface area of the following figure. The back of the figure is a rectangle. Disregard the bottom of the figure.
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  2. #2
    MHF Contributor
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    Re: Surface area questions

    Hey BobThePizzaBoy.

    Can you show us what you have tried?
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