Geometryhard · Past Paper
An angle's complement is 1/3 of its supplement. Find the angle.
A30 degrees
B45 degrees
C60 degrees
D75 degrees
✓ Correct Answer: B — 45 degrees
(90 - x) = 1/3(180 - x); 270 - 3x = 180 - x; 2x = 90; x = 45.
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