Let C be a circle with centre O, and R be an external point to C. Let RP and RQ be two
Let C be a circle with centre O, and R be an external point to C. Let RP and RQ be two
tangents to circle C with P and Q being the points of tangency, respectively. If ∠PRQ =
60°, then find ∠POQ.
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Correct answer: (A) 120°