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ZX-951EC0100A2024年8月北美D卷(易) · 第 19 题
2024年8月北美D卷(易) · 原库模块 1 · Q19 原库参考解析
Triangle QRS is similar to triangle FGH such that Q, R, and S correspond to F, G and H, respectively. Each side of triangle FGH has \( \frac{1}{4} \) the length of its corresponding side in triangle QRS. In triangle FGH, the measure of angle F is 35°, the measure of angle G is 8°, and FG = a. In triangle QRS, the measure of angle Q is b° and QR = 20. What is the value of a + b?
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