Proving the Third Angle Theorem


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

question 1 of 3

Which of the following accurately summarizes the Third 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 kind of triangle does the Third Angle Theorem work on?

2. What is the sum of the interior angles of a triangle on a plane?

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

Your specific task will be to answer several questions dealing with subjects related to the Third Angle Theorem, such as where it works, how it works, and what it is.

Quiz & Worksheet Goals

More exactly, we'll quiz you on:

  • The definition of the Third Angle Theorem
  • A triangle the Third Angle Theorem can work on
  • The sum of a triangle's interior angles
  • Your ability to find unknown angle measurements
  • Where or not certain triangles are similar

Skills Practiced

  • Making connections - use understanding of the concept of the Third Angle Theorem
  • Information recall - access the knowledge you've gained regarding qualifications of similar triangles
  • Knowledge application - use your knowledge to answer questions about finding missing angles

Additional Learning

When you choose to access the related lesson, Proving the Third Angle Theorem, you'll have a chance to learn even more about significant concepts such as:

  • Characteristics of triangles
  • Examples of the Third Angle Theorem
  • How to find two unknown angles based on one known angle
  • What makes triangles similar