Multiple choice

The angles of triangles are in the ratio 2 : 3 : 4, then the difference between the greatest and smallest angle of the triangle (in degrees) is

  1. 80

  2. 60

  3. 20

  4. 40

  5. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let the angles of the triangle be 2x, 3x & 4x, respectively. Also, 9x = 180, Or, x = 20 Therefore, 2x = 40 , 3x = 60 & 4x = 80 Therefore, this option is correct.

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