Exploring Triangle Congruence Theorems
For each challenge, drag and move the corners of triangle DEF so that it has the same measurements as shown on triangle ABC but is not congruent to triangle ABC.
Challenge #1 - SS
Challenge #2 - SSS
Challenge #3 - SAS
Challenge #4 - SSA
Challenge #5 - ASA
Challenge #6 - AAS
Challenge #7 - AAA
Which rules actually prove that the triangles must be congruent ?