Introduction
The Pythagorean Theorem and Its Converse

Pythagoras Pythagoras was a teacher and philosopher who lived during the 6th century B.C. on the Greek island of Samos. In his studies, Pythagoras discovered the relationship between the sides of right triangles. This relationship is useful for determining the missing lengths of the sides of right triangles. You can also use it to determine the type of triangle: acute, right, or obtuse.

Essential Questions

 

Warm-Up

Where to First? interactivity

warm-up icon Before you explore the Pythagorean Theorem in this topic, take a moment to refresh your math skills, using the distance formula, in this non-graded interactivity. Click the player button to get started.