# Congruent Chords Discovery

- Author:
- Chrissy, Tim Brzezinski

- Topic:
- Circle

Interact with the following applet below for a few minutes, then answer the questions that follow.
1) Move the slider
2) Reset
3) C

*hange the locations of the BIG POINTS each time before re-sliding the slider!***Questions:**1) Explain why the 2 circles shown are congruent. How do you know? 2) Notice how there are 3 congruent chords displayed. The red arc is said to be the arc "determined" (or "made") by these chords. What do you notice about the arc for all three chords?