Question

an external angle of a triangle is 108 degree and its interior opposite angles are in the ratio 4: 5 then find the angles

Answer 1

exterior angle=sum of opposite interior angles
exterior angle =4x+5x
108=9x
x=12
so angles are 48 and 60

Answer 2

✍️Answer: exterior angle = sum of opposite interior angles

exterior angle = 4:5

4x+5x

108°=9x

x=12°

so , angles are 48° and 60°

Hope this solution will help you........✍️