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MathNet 2014 Question 98

Math Olympiad Vault · MathNet 2014

Question 98

Let $\triangle ABC$ be a triangle and let $M$ the middle of the side $BC$. Externally of the triangle we consider parallelogram $BCDE$, such that $BE \parallel AM$ and $BE = AM / 2$. Prove that the line $EM$ passes from the middle point of the segment $AD$.

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