Question

one of the exterior angle of triangle is 121°and the interior opposite angles are in ratio of 4:7find the triangle​

Answer 1

Step-by-step explanation:

exterior angle =121

sum of two opp. inerior angle is equal to exterior angle =121

let first angle be 4a

and second angle be 7a

4a+7a=121

11a=121

or , a=121/11

or, a=11

so first angle = 4 into 11 =44

second angle =7x11=77