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[几何] 一道解三角形题目

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aishuxue posted 2023-4-10 20:34 |Read mode
Last edited by hbghlyj 2025-4-8 04:55

四边形 $A B C D$ 中,$D C=2 A D=4 \sqrt{2}, \angle B A D=\frac{\pi}{2}, \angle B D C=\frac{\pi}{6}$.
(1)若 $\tan \angle A D C=3 \sqrt{3}$,求 $A B$.
(2)若 $\angle A D C=\angle C$,求 $B C$.
这题从纯几何的角度可否分析?

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