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posted by Ryan on Friday, November 25, 2011 at 11:28am.
Isosceles trapezoid ABCD has legs AB and CD and base BC If AB = 7y – 4, BC = 4y – 6, and CD = 8y – 18, find the value of y.
The key here is "isosceles". That means the legs are equal. 7y-4 = 8y-18 y = 14
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