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March 25, 2017

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Let ABCDEF be an equiangular hexagon with perimeter 98 such that EF=2CD=4AB and BC=2FA. What is the length of EF?

  • Math - ,

    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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