Education Technology

McDougal Littell Geometry: Converse of the Pythagorean Theorem

Published on 10/17/2008

Activity Overview

Students will use the TI-84 Plus family with Cabri Jr.™ to determine if the converse of the Pythagorean Theorem is true.

Before the Activity

Please see attached PDF for details for this activity.

During the Activity

Students will:

  • Use Cabri Jr. to draw a triangle.
  • Measure side lengths and an angle.
  • Explore relationships among side lengths and the category of triangle.


  • Directions:
  • Distribute the student activity sheets
  • Follow the procedures as outlined
  • After the Activity

    As a class, review students' progress, discussing questions that appeared to be more challenging, and re-teaching as needed.