The Pythagorean Theorem
  • When done with this lesson, you will be able to find a missing length of one side of a right triangle when the other two are known.

  • When done with this lesson, you will be able to determine if a triangle is a right triangle when given the measures of the three sides.
Approximate completion time: 3 hours

 

The pythagorean theorem likely is the most prolific and most widely used theorem in mathematics. You likely have seen or used this theorem.

 

Take some time to visit the following sites and tutorials about the pythagorean theorem.
Be sure to spend time practicing how to use the pythagorean theorem.

  1. A puzzle at PBS.org
  2. An investigation at PBS.org.
  3. A simple tutorial at Mathisfun.com (don't worry about the proofs).

 

Did you know that one of our U.S. presidents found his own unique proof of the pythagorean theorem?

 

When you think you are ready, download and practice the problems in Assignment 8.01.