section 11.4 - Pythagorean Theorem

The formula:

The Pythagorean Theorem can only be used with a right triangle.

• a or b can be either leg of the triangle; it doesn't matter which is which
• c is always the hypotenuse

Examples:
1.)

2.)

3.)

4.) My backyard is 60 feet wide and 100 feet long. How far is it from the back left corner to the front right?