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OpenStudy (anonymous):
Solve for x, given that EF is the median of trapezoid ABCD. Find AD and EF BC=12 EF=5x-20 AD=4x-10?
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OpenStudy (anonymous):
median =(base1+base2)/2 5x-20=(12+4x-10)/2 10x-40=12+4x-10 6x=42 x=7 EF=5(7)-20=15 AD=4(7)-10=18
OpenStudy (anonymous):
thank u so much! @AJ01
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