Pythagorean Theorem

Melissa McGarity

Objectives: Students will learn how to use the Pythagorean Theorem to solve problems involving right triangles and their side lengths.

Materials: Student worksheet and calculator

Pythagorean Theorem


Instructions: Use the notes from class and your exploration with the Pythagorean theorem to help you complete this worksheet.

1. The Pythagorean theorem works for what kind of triangles?


2. When using the Pythagorean theorem, the hypotenuse length is represented by what variable?


3. What do a and b represent when using the Pythagorean theorem?


For each of the following, use the Pythagorean theorem to find the missing side length of each triangle.




8. Can you find the unknown side length of the following triangle? Explain your answer.

Return to Unit