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Posted by on Sunday, June 16, 2013 at 5:57am.

Triangle ABC is an equilateral triangle with side length AB=22. Place a point D on the line segment BC. Extend BC to the point E such that BD=CE. point E is defined as lying on BD and satisfying BD=CE.What is the value of DE?

  • math - , Sunday, June 16, 2013 at 10:00am

    22

    A "much ado about nothing" question.

    All 3 sides are equal and equal to 22
    let BD = x
    then CE = x
    and DC = 22-x

    DE = DC + CE
    = 22 - x + x
    = 22

    Where does the fact that we have an equilateral triangle enter the picture?

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