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ZX-7F2562CD852025年3月美国C卷练习 · 第 21 题
2025年3月美国C卷练习 · 原库模块 1 · Q21 原库参考解析
In triangle \( RST \) , the measure of angle \( R \) is 50°, the measure of angle \( S \) is x°, and the measure of angle \( T \) is \( \left(4x-5\right)° \). Point \( L \) lies on \( RS \) , point \( K \) lies on \( ST \) and \( LK \) is parallel to \( RT \) . What is the measure, in degrees, of angle \( SKL \) ? (Disregard the degree symbol when entering your answer.)
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