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posted by Mark on Monday, July 15, 2013 at 1:22pm.
Let ABCDEF be an equiangular hexagon with perimeter 98 such that EF=2CD=4AB and BC=2FA. What is the length of EF?
opposite sides must be equal, so if AB=x, we have 2(x)+2(2x)+2(4x) = 98 7x = 49 x = 7 EF = 4*7 = 28
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