section+11.4+-+Pythagorean+Theorem

The formula: The Pythagorean Theorem can only be used with a **right triangle**. __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?
 * //a// or //b// can be either leg of the triangle; it doesn't matter which is which
 * //c// is always the hypotenuse