[b]Theorem:[/b][br][br]If [b][color=#38761d]2 angles are complements[/color][/b] of [color=#1e84cc][b]congruent angles[/b][/color] (or the same angle), then [b][color=#38761d]those 2 angles are congruent[/color][/b]. [br][br](Feel free to move the white points anywhere on the screen you'd like.) [br][br][br]Write a 2-column (or paragraph) proof that formally proves what this applet informally illustrates.[br]Be sure to draw an appropriate diagram, state what is given, & state what needs to be proven. [br]Then prove it. [br]