Q: Given EF is the midsegment of Isosceles trapezoid ABCD. BC = 17x, EF = 22.5x + 9, and AD = 30x + 12, find AD.

A: AD should be 30x. it's already given. if you want to find x the solution will be :The midsegment (or median) in an isosocles trapezoid is half the sum of the lengths.
2(22.5x+9)=17x+30x+12
45x+18=47x+12
18-12=47x-45x
6=2x
*x=3

Expert answered|tthau2010|Points 334|

Expert answered|tthau2010|Points 334|

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Asked 8/16/2011 9:11:12 AM

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