# G.GCI.2 Angle Formed by 2 Chords

- Author:
- Dan Dale, Tim Brzezinski

In the applet below, the

**gray angle**is said to be an**angle formed by 2 chords of a circle**. Interact with this applet for a few minutes. As you do, be sure to change the locations of the BIG POINTS each time*before*re-sliding the slider! What are the relationships between the inscribed angles, arcs, and angles formed by intersecting chords?