Geometryhard · Past Paper
If an angle is double its supplement and half its reflex angle, what is the angle?
A60 degrees
B90 degrees
C120 degrees
D150 degrees
✓ Correct Answer: C — 120 degrees
Angle x = 2(180-x) gives 3x=360, x=120. Check reflex: 360-120=240, and 120 is half of 240. Correct.
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