Bluebook试题8 · 第 20 题

Bluebook试题8 · 原库模块 2 · Q20 原库参考解析

The circle shown has center \( O \), circumference 144π, and diameters \( PR \) and \( QS \). The length of arc \( PS \) is twice the length of arc \( PQ \). What is the length of arc \( QR \)?