Geometrymedium · Past Paper
Two supplementary angles are in the ratio 2:3. Find the smaller angle.
A36 degrees
B72 degrees
C108 degrees
D144 degrees
✓ Correct Answer: B — 72 degrees
2x + 3x = 180; 5x = 180; x = 36. Smaller angle is 2x = 72 degrees.
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