Geometrymedium · Past Paper
In the figure, PQ and PR are tangents to the circle with center O. If angle QPR = 40 degrees, find angle QOR.
A140 degrees
B40 degrees
C80 degrees
D100 degrees
✓ Correct Answer: A — 140 degrees
Angle QOR = 180 - angle QPR = 180 - 40 = 140 degrees.
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