What geometry theorem is being dynamically illustrated in the applet below? [br](Feel free to move the points wherever you'd like.)
[color=#000000][b]Converse of Isosceles Triangle Theorem:[/b][/color][br]If [color=#38761d][b]two angles of a triangle are congruent[/b][/color], then the [color=#980000][b]sides opposite those angles are congruent.[/b][/color]