TR is the tangent to the circle PQR with centre O. Find t...
TR is the tangent to the circle PQR with centre O. Find the size of ∠PRT
44o
46o
60o
74o
118o
Correct answer is C
Reflex < POQ = 360° - 148° = 212°
< PRO = 360° - 330° = 30°
But < ORT = 90° ⟹ < PRT = 90° - 30° = 60°
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