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Circles · 第 11 题

Circles · 原库模块 1 · Q11 原库参考解析

A circle has center O, and points R and S lie on the circle. In triangle ORS, the measure of ∠ROS is 88°. What is the measure of ∠RSO, in degrees? (Disregard the degree symbol when entering your answer.)

支持整数、小数和分数;循环小数建议填写分数,不需要写单位。