In \( \triangle A B C, \angle C \) is an obtuse angle, \( A D \perp B C \) and \( A B^{2}=A C^{2... VIDEO
In \( \triangle A B C, \angle C \) is an obtuse angle, \( A D \perp B C \) and \( A B^{2}=A C^{2}+3 B C^{2} \). Prove that \( B C=C D \).https://bit.ly/YTAI_PWAP https://www.pw.live
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