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MathNet 2013 Question 97

Math Olympiad Vault · MathNet 2013

Question 97

Points $D,E$ are chosen on sides $AB,BC$, respectively, of an equilateral triangle $ABC$, so that $\overline{AD}=\overline{BE}$.
Question illustration
If segments $AE$ and $CD$ intersect at $P$, determine $\measuredangle APC$.