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ZX-AB649C4CEA2026年3月国际C卷 · 第 15 题
2026年3月国际C卷 · 原库模块 2 · Q15 原库参考解析
A circle has center G, and points M and N lie on the circle. Line segments MH and NH are tangent to the circle at points M and N, respectively. If the radius of the circle is 247 millimeters and the perimeter of quadrilateral GMHN is 5,174 millimeters, what is the distance, in millimeters, between points G and H?
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