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Three angles in a triangle are in the ratio of 1:2:3, then the measure of the middle angle is _____?
  1. 80°
  2. 60°
  3. 90°
  4. None of these
Explanation

Let the angles be x, 2x, 3x.

Sum of angles in a triangle = 180°

x + 2x + 3x = 180°

6x = 180°

x = 30°

Middle angle = 2x = 2(30°) = 60°


Last verified on 09-03-2026

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