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MathNet 2018-part-05 — 181 problems (EN–VI) Question 126

Math Olympiad Vault · MathNet 2018-part-05 — 181 problems (EN–VI)

Question 126

In triangle $ABC$ we have $\angle BAC=\frac{\pi}{3}$ and $|AB|^{2}=|AC|^{2}+|AC| \cdot |BC|$. Determine the sizes of the other two interior angles of triangle $ABC$.