In the circle above,PQ is parallel to diameter OR,and OR has length 18.What si the length of minoarc PQ?角PRO为35度

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In the circle above,PQ is parallel to diameter OR,and OR has length 18.What si the length of minoarc PQ?角PRO为35度

In the circle above,PQ is parallel to diameter OR,and OR has length 18.What si the length of minoarc PQ?角PRO为35度
In the circle above,PQ is parallel to diameter OR,and OR has length 18.What si the length of mino
arc PQ?
角PRO为35度

In the circle above,PQ is parallel to diameter OR,and OR has length 18.What si the length of minoarc PQ?角PRO为35度
PQ弧长是2π