Multiple choice

If the angles of a quadrilateral are in the ratio 5 : 2 : 4 : 1, then the greatest angle (in degrees) of the quadrilateral is

  1. 120o

  2. 30o

  3. 60o

  4. 150o

  5. None of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let the angles of quadrilateral be 5k, 2k, 4k & k. Now, 5k + 2k + 4k + k = 360o Then, 12k = 360o k = 30o 5k = 150o