Lesson: Exterior Angles of a Triangle Mathematics

In this lesson, we will learn how to find the measure of the exterior angle of a triangle and compare between an exterior angle and its corresponding remote interior angles.

Lesson Plan

Students will be able to

know the definition of an exterior angle of a triangle,
know the definition of an interior angle of a triangle,
know that the exterior angles of a triangle sum to ,
solve problems involving exterior and interior angles of triangles.

Lesson Video

Lesson Playlist

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