Geometry
posted by Tyler .
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?

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