PUMaC 2022 · 个人决赛（B 组） · 第 2 题
PUMaC 2022 — Individual Finals (Division B) — Problem 2
题目详情
- Given a triangle △ ABC , construct squares BAQP and ACRS outside the triangle ABC (with vertices in that listed in counterclockwise order). Show that the line from A perpendicular to BC passes through the midpoint of the segment QS .
解析
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Original Explanation
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