ONE QUESTION, ONE STEP
ZX-E1FB413685Circles · 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.)
参考答案:
解题思路
容易忽略的一步
