Exploring Parallel Lines and Triangle Angles

Which type of triangle has all sides and angles congruent?

In an isosceles triangle, how many sides and angles are congruent?

What is the sum of the interior angles of any triangle?

If a triangle has angles measuring 65 degrees and 57 degrees, what is the measure of the third angle?

In a right triangle, if one angle is 40 degrees, what is the measure of the other non-right angle?

What is an exterior angle of a triangle?

Exterior angles of a triangle are always supplementary to which angles?

What is the sum of the exterior angles of any polygon?

If an exterior angle of a triangle is 110 degrees and one of the non-adjacent interior angles is 80 degrees, what is the measure of the other non-adjacent interior angle?

If the exterior angle of a triangle is 75 degrees and one of the non-adjacent interior angles is 55 degrees, what is the measure of the other non-adjacent interior angle?