TR is the tangent to the circle PQR with centre... - WAEC Mathematics 1997 Question
TR is the tangent to the circle PQR with centre O. Find the size of ∠PRT
A
44o
B
46o
C
60o
D
74o
correct option: c
Reflex < POQ = 360° - 148° = 212°
< PRO = 360° - 330° = 30°
But < ORT = 90° \(\implies\) < PRT = 90° - 30° = 60°
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