Question

there is a traingle exterior angle are 140°and 4m interior angle is 2m find the unknown angles​

Answer 1

Answer:

We know that in a triangle, if one side of it is produced, then

Exterior angle = sum of its interior opposite angles

(i) In Fig. (i), 110° = x° + 30°

⇒ x° = 110° - 30° = 80°

please follow me and mark as brainleast answer please