Question

one of the exterior angle of a triangle is 135degrees and the interior opposite angles are in the ratio 2:3. find the angles of a triangle

Answer 1

Sum of 2 interior angles =exterior angle.

2x+3x=135°

5x=135°

x=135°/5=27°

The angles are 2x=54°,3x=81°

The other angle is 180°-135°

=45°

Hope it helps.

Answer 2

45° is the correct answer