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Congruent Triangles Exploration 6

Drag any point on triangle ABC to resize the triangle. Study what happens to triangle DEF when you resize triangle ABC. Also try to coincide (put one triangle on top of the other) and see if they match up.

What combination of parts of the triangle are highlighted and compared?

Looking at the diagram, is the side between the two angles?

Can the combination side-angle-side (SAS) be used to make the two triangles congruent?