This Introduction covers all the basics of the Pythagorean Theorem. It addresses the right triangle, identification of the parts of a right triangle, the theorem both in words, as an equation, and graphically. The theorem is broken down into parts and describes in detail what the theorem states. All of the basics are touched on including right triangles, labeling of the triangle (a,b,c), figuring out how to determine the legs versus the hypotenuse, proving right triangles and solving for the