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Posted by on Thursday, January 17, 2008 at 10:52pm.

A trapezoid has an area of 128in2(inches squared), height of 32in, and one base is 5 inches. What is the length of the other base? How do I figure this?

  • Geometry - , Thursday, January 17, 2008 at 11:02pm

    The area of a trapezoid is H*(b1+b2)/2.
    128=32*(5+x)/2
    128=16(5+x)
    8=5+x
    8-5=x
    x=3 inches

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