Question

An exterior angle of a triangle is 120 degrees and one of the interior opposite angles is 40 degrees. Find the other angles of the triangle.

Answer 1

70 both angles
this may help ypu

Answer 2

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Exterior angle = Sum of 2 interior angles
120° = 1 st angle + 40°
1 st Angle = 80°

Now ,. 3 rd angle = 180° - 120° = 60°