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    ashmil09's Avatar
    ashmil09 Posts: 5, Reputation: 1
    New Member
    		  
    #1

    May 17, 2009, 01:33 PM
    I just need to know how to solve this
    A right rectangular prism has a width of 6.8 meters and a legnth of 28 meters. If the surface area of the prism is 2608 meters what is the height?

    a. 20 m
    b. 22.5 m
    c. 24.5 m
    d. 30 m
    e. 32 m
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #2

    May 18, 2009, 08:34 AM

    You have to know the formula for finding the total surface area of a rectangular prism.

    Surface Area = Sum of all flat areas

    Note that you have six flat areas in a rectangular prism.

    The sum of to give the total surface area. Can you do it now? :)
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