Question

one of the exterior angles of a triangle is 80°and the interior angles opposite to it are equal to each other. what is the measure of these 2 triangles?​

Answer 1

Answer:

Hence, the measure of each angle = 40 degree

Let the interior angle be x

Exterior angle is the sum of interior opposite angles

∴x+x=80

⇒2x=80

⇒x=40 degree

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