PUMaC 2025 · 团队赛 · 第 6 题

PUMaC 2025 — Team Round — Problem 6

Let △ ABC be a triangle with AB = 14, AC = 19, incenter I , and incircle tangent to side BC ′ ′ DH at D . Let H be the orthocenter of triangle △ BIC . Given that = 10, find the length of DI BC . 1

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