Exterior Angle Theorem: Definition & Formula Video

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is the definition of the exterior angle theorem?

Create Your Account To Take This Quiz

As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Try it risk-free
Try it risk-free for 30 days. Cancel anytime
Already registered? Log in here for access

1. What is the formula for the exterior angle theorem?

2. Solve for the missing exterior angle, n.

Create your account to access this entire worksheet
A Premium account gives you access to all lesson, practice exams, quizzes & worksheets
Access to all video lessons
Quizzes, practice exams & worksheets
Certificate of Completion
Access to instructors
Create an account to get started Create Account

About this Quiz & Worksheet

Test your ability to use the exterior angle theorem with this quiz and worksheet. You will have to identify the definition and formula of the exterior angle theorem, plug in given angles to calculate the exterior angle, and deduce the missing interior angles as well.

Quiz & Worksheet Goals

The assessments quiz you on topics like:

  • Recognizing the exterior angle theorem
  • Recalling the exterior angle formula
  • Solving for the missing exterior angle
  • Calculating missing interior angles

Skills Practiced

  • Problem solving - use acquired knowledge to find missing angles in practice problems
  • Defining key concepts - make certain that you can correctly define the exterior angle theorem
  • Information recall - use the knowledge you've attained regarding the measurement of a line

Additional Learning

To gather more information about finding missing angle measurements, check out the complementary lesson on the Exterior Angle Theorem. This lesson discusses the following concepts:

  • The definition of the exterior angle theorem
  • Application of the formula m<D = m<A + m<B
  • Visualization of a diagram with angles that are labeled
  • Methodology to solve a problem involving a triangle with missing angles
Support