Algebra
posted by Judy .
Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m, and the area is 224 m squared, find the length of the other base.
The height dimension h is measure perpendicular to the to parallel "base" sides, a and b.
The area is h*(a+b)/2 = 224
You know a and h, so solve for b.
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