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ZX-8CF7D49B662024年11月C卷练习 · 第 20 题
2024年11月C卷练习 · 原库模块 2 · Q20 原库参考解析
In isosceles triangle \( ABC \), sides \( AB \) and \( AC \) are congruent. Point \( D \) divides side \( BC \) such that the length of \( BD \) is \( \frac{4}{7} \) of the length of \( BC \). Point \( E \) lies on side \( AB \) and point \( F \) lies on side \( AC \) such that when segments \( DE \) and \( DF \) are drawn, angle \( BED \) is congruent to angle \( CFD \). If the length of \( BE \) is 8, what is the length of \( CF \)?
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