Geometrymedium · Past Paper
Find the measure of an angle whose supplement is 4 times its complement.
A30 degrees
B60 degrees
C90 degrees
D120 degrees
✓ Correct Answer: B — 60 degrees
180 - x = 4(90 - x); 180 - x = 360 - 4x; 3x = 180; x = 60.
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