Lesson 03.025 Overview: Proving the Pythagorean Theorem

In this lesson you will use models and diagrams to prove how the Pythagorean theorem works. You may already know how to use it, but by the end of this lesson you will be able to explain how and why it works for right triangles.

Learning Objectives

By the end of this module, you will be able to:

Make and prove a conjecture about the relationship between the lengths of the sides of right triangles.
Explain a proof of the Pythagorean Theorem.
Use the Pythagorean Theorem to determine the unknown side lengths in right triangles.

Vocabulary

By the end of this module, you will know these terms:

hypotenuse
legs
Pythagorean Theorem
proof
diagonal of a square

Content developed from Bluebonnet Learning materials.

Lesson Material

03.025 Proving the Pythagorean Theorem

To-Do List

In order to successfully complete this lesson, please do the following:

Read: Lesson 03.025 Proving the Pythagorean Theorem (linked above). While reading through the lesson, complete the practice questions.
Quiz: Complete the 03.025 Proving the Pythagorean Theorem quiz.

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