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GeoGebraGeoGebra Classroom

Given Side-Angle-Side

Given: 2 sides and their included angleInteract with this applet below for a few minutes, then answer the questions that follow. As you do, feel free to move the BIG WHITE POINTS anywhere you'd like on the screen!

Q1:

What geometry transformations did you observe in the applet above? List them.

Q2:

What common trait do all these transformations (you listed in your response to (1)) have?

So.... If 2 sides and the included angle of one triangle are congruent to 2 sides and the included angle of another triangle, can we say those 2 triangles are congruent? Fully explain why or why not.