Geometrymedium · Past Paper
If two adjacent angles on a straight line are (3x - 5) and (x + 25), find the value of x.
A40
B50
C35
D45
✓ Correct Answer: A — 40
(3x - 5) + (x + 25) = 180; 4x + 20 = 180; 4x = 160; x = 40.
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