Elitmus
Exam
Numerical Ability
Geometry
how many sides does a regular polygon have whose interior and exterior angles are in the ratio 2:1
Read Solution (Total 3)
-
- Let the angle be x.
Sum of inter+ exterior is 180
2x+x=180
X=60
N=360/exterior angle
360/60=6 - 7 years agoHelpfull: Yes(2) No(0)
- Let the interior angle be 2x and x.
Sum of interior and exterior angle is always 180;
So
2x+x=180---> x=60;
N=360/60-->6: - 6 years agoHelpfull: Yes(1) No(0)
- N-no. of sides
Sum of interior angles, S = (N-2)180
(N-2)180/360=2/1
N=6 - 6 years agoHelpfull: Yes(1) No(0)
Elitmus Other Question