1. Circles Definitions

2. Chord a segment whose endpoints lie on a circle A B AB

3. Arc an unbroken part of a circle

4. Minor Arc an arc that is less than half of a circle to name, use 2 points

5. Major Arc an arc that is more than half of a circle to name, use 3 points

6. Central Angle an angle whose vertex is at the center of a circle

7. Inscribed Angle an angle whose vertex is on a circle and whose sides are chords of the circle

8. Tangent a line, ray, or segment that is in the same plane as the circle, but intersects the circle in only one point

9. Secant a line, ray, or segment that contains a chord

10. Write an example of each of the following: A.Radius ____ B.Secant ____ C.Tangent ____ D.Chord ____ E.Diameter ____ F.Minor arc ____ G.Major arc ____ H.Central angle ____ I.Inscribed angle ____ J.Center ____ Warm Up #1