[color=#000000]In the circle in the applet below, the [/color][b][color=#ff00ff]pink angle[/color][/b][color=#000000] is said to be an [/color][b][color=#ff00ff]angle formed by a chord and a tangent[/color][/b][color=#000000]. [br][br][/color][color=#000000]Interact with this applet for a few minutes. As you do, be sure to change the locations of the BIG POINTS each time [/color][i][color=#000000]before[/color][/i][color=#000000] re-sliding the slider! [/color]