Question

the exterior angle of a triangle: is 90 degrees is the sum of the two interior angles not touching the exterior is on the outside but has no relation to the angles inside is 180 degrees

Explanation:

The exterior - angle property of a triangle states that an exterior angle of a triangle is equal to the sum of the two non - adjacent interior angles. This is based on the fact that the sum of the interior angles of a triangle is 180 degrees and the linear - pair property of angles.

Answer:

is the sum of the two interior angles not touching the exterior