Geometrymedium · Past Paper
If the angle between two radii of a circle is 130 degrees, the angle between the tangents at the ends of the radii is:
A50 degrees
B65 degrees
C90 degrees
D130 degrees
✓ Correct Answer: A — 50 degrees
The angle between tangents and the angle between radii are supplementary. 180 - 130 = 50 degrees.
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