PUMaC 2025 · 几何（B 组） · 第 4 题
PUMaC 2025 — Geometry (Division B) — Problem 4
题目详情
- Consider a right triangular prism with bases △ ABC and △ A B C , where △ ABC △ A B C = ′ ′ and AC = 10. Point M lies on AB such that AM = 5 and M B = 4. Let N lie on A C such ′ ′ that BN is parallel to the plane of △ A CM . Find A N .
解析
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Original Explanation
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