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GeoGebraGeoGebra Classroom

SAS_Demo

Click and drag the vertices of the triangles around. Notice the difference between how ABC behaves vs. DEF:

Some questions to consider:

What were the different effects of moving the vertices of ABC? What about DEF? What could you do to ABC to change it to a non-congruent triangle? What about DEF? What do the differences between ABC and DEF tell you about SAS?