Geometryeasy · Past Paper
If three angles on a straight line are x, 2x, and 3x, what is the value of x?
A20 degrees
B30 degrees
C40 degrees
D60 degrees
✓ Correct Answer: B — 30 degrees
x + 2x + 3x = 180; 6x = 180; x = 30 degrees.
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