You currently have JavaScript disabled on this browser/device. JavaScript must be enabled in order for this website to function properly.

ZingPath: Angles and the Pythagorean Theorem

Proof: The Exterior Angle Measures of a Triangle Sum to 360 Degrees

Searching for

Angles and the Pythagorean Theorem

Learn in a way your textbook can't show you.
Explore the full path to learning Angles and the Pythagorean Theorem

Lesson Focus

Proof: The Exterior Angle Measures of a Triangle Sum to 360 Degrees

Algebra Foundations

Learning Made Easy

You get to learn all about triangles, including the six different types–and some main components and unique properties of each type.

Over 1,200 Lessons: Get a Free Trial | Enroll Today

Now You Know

After completing this tutorial, you will be able to complete the following:

  • Prove that the exterior angle measures of a triangle sum to 360 degrees.

Everything You'll Have Covered

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be familiar with exterior angle measures of a triangle, interior angle measures of a triangle, and sum of angle measures.
Course Algebra Foundations
Type of Tutorial Animation
Key Vocabulary exterior angle measures of a triangle, sum of angle measures, sum of exterior angle measures of a triangle