AAA~ version 2
In this investigation, you are given that three corresponding angles of the triangles are congruent:.
Currently, all of the sides are also proportional. Are the sides always going to stay proportional? If so, the triangles are similar. If not, the triangles are not similar.
You can pull on any of the BLUE dots to change the size of the triangles and the corresponding angles will remain congruent. Do the sides remain proportional so that the triangles stay similar?