13.2 Triangle Congruence (SSS)

INSTRUCTIONS:

There are two triangles in this applet. A shaded triangle and a movable triangle. Each represent an independent triangle with parts that are congruent (the same.) Your task is to experiment with moving the non-congruent parts of the movable triangle. Observe if it is possible to create a new triangle that has different shape (angles) or size (sides) or both.

Is it possible to manipulate the movable triangle with side-angle-side that is common with an other triangle so it has different sides (size) or angles (shape) or both?

Select all that apply

A
No, it is not possible. Given that both triangles have the same side-angle-side, they are congruent (the same).
B
Yes, it is possible. Moving non-congruent parts of the triangle may create a new triangle that has either different sides or angles.

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