Copy of Congruent Chords Action (A)

[color=#000000]In the applet below, [/color][b][color=#1e84cc]two congruent chords[/color][/b] [color=#000000]will be drawn in the same circle. [br][br]Interact with this applet for a few minutes, then answer the questions that follow.[br] [br]Feel free to adjust the [/color][color=#1e84cc][b]lengths of these chords[/b][/color][color=#000000] using the [/color][color=#1e84cc][b]blue slider. [/b][/color][color=#000000]Also, be sure to change the locations of the [/color][color=#ff00ff][b]pink points[/b][/color][color=#000000] each time after resetting the slider! [/color]
[color=#000000][b]Questions:[/b][br][br]1) Based upon your observations, what can you conclude about [/color][color=#1e84cc][b]any 2 congruent chords[/b][/color][color=#000000] drawn in the [br] same circle? [br][br]2) Prove this fact true using the format of a 2-column or paragraph proof. [/color][br]
Quick Demo: 1:28 sec to 1:52 sec (BGM: Andy Hunter)

Information: Copy of Congruent Chords Action (A)