Education Technology

Congruent Triangles

Activity Overview

Explore the results when a new triangle is created from an original triangle using the SSS, SAS, and ASA sets of conditions for congruence. In doing so, they will use the Cabri Jr. Compass tool to copy a segment and the Rotation tool to copy an angle.

Before the Activity

Download the attached PDF and look over the information on the first page. Distribute the Student Worksheet for use during the activity.

During the Activity

Discuss the material from the activity pages with students as needed.

After the Activity

Encourage students to summarize what they have learned from completing the activity. If desired, discuss the extension with students.