- Jonathan Garfield
- Congruence, Triangles
An activity to show that triangles with two congruent angles and a congruent, excluded side are congruent.
Use the given angle and line segments, equal to a respective angle, angle and side of the given triangle, to create a second triangle. Use the “Angle” and “Distance or Length” tools to show that all the angles of the new triangle are equal to the corresponding angles of the given triangle.