How do exterior angles relate to interior angles in a triangle?(1 point) Responses Exterior angles are always supplementary to their associated interior angle. Exterior angles are always supplementary to their associated interior angle. Exterior angles are always complementary to their associated interior angle. Exterior angles are always complementary to their associated interior angle. Exterior angles are always congruent to their associated interior angle. Exterior angles are always congruent to their associated interior angle. Exterior angle measures are always greater than the measure of their associated interior angle. Exterior angle measures are always greater than the measure of their associated interior angle.

The correct response is:

**Exterior angles are always supplementary to their associated interior angle.**

This means the sum of an exterior angle and its adjacent interior angle in a triangle is always 180°, since they form a linear pair.

Would you like more details on this topic or have any further questions?

Here are five related questions for practice:

1. What is the sum of all interior angles in a triangle?
2. How do you calculate the measure of an exterior angle in a triangle using the other two interior angles?
3. Can an exterior angle in a triangle ever be less than its associated interior angle?
4. What is the sum of the exterior angles of any polygon?
5. How do you define supplementary angles?

**Tip:** The exterior angle theorem states that the exterior angle of a triangle is equal to the sum of the two non-adjacent interior angles.

How do exterior angles relate to interior angles in a triangle?

Understand how exterior angles in a triangle are always supplementary to their associated interior angles, forming a total of 180°. This concept applies through the Exterior Angle Theorem, which states that the measure of an exterior angle is equal to the sum of the two non-adjacent interior angles. Learn more about triangles and their angles for students in Grades 6-8.

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