Arithmeticmedium · Past Paper
The ratio of interior angles of a triangle is 2:3:4. The largest angle is:
A80 deg
B60 deg
C100 deg
D40 deg
✓ Correct Answer: A — 80 deg
Sum = 9 units. 9 units = 180 degrees. 1 unit = 20 degrees. Largest angle = 4 * 20 = 80 degrees.
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