PUMaC 2007 · 几何（A 组） · 第 10 题
PUMaC 2007 — Geometry (Division A) — Problem 10
题目详情
- In triangle ABC with AB 6 = AC , points N ∈ CA , M ∈ AB , P ∈ BC , and Q ∈ BC are chosen CQ BP such that M P || AC , N Q || AB , = , and A , M , Q , P , N are concyclic. Find ∠ BAC . AB AC 2
解析
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Original Explanation
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