Homework Help: Geometry

Posted by Tyler 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 - Mischa, 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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