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ZX-11A92A9B0FCircles · 第 19 题
Circles · 原库模块 1 · Q19 原库参考解析
Points A and B lie on a circle with radius 1, and arc \( AB \) has length \( \frac{π}{3} \) . What fraction of the circumference of the circle is the length of arc \( AB \)?
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