Texas Instruments
Texas Instruments: Mc Dougal Littell Geometry: Converse of Pythagorean Theorem
Students can use the TI-84 Plus family with Cabri Jr. to determine if the converse of the Pythagorean Theorem is true.
CK-12 Foundation
Ck 12: Geometry: Pythagorean Theorem Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide is an overview of the Pythagorean theorem and its converse, Pythagorean triples, and proving the distance formula.