Circles

Circles

1. Properties

   • Set of points equal distance from a center point - Circumference
   • Total degrees equals 360
   • No sides

2. Vocabulary

   • Lines
     • Tangent
       • Touches the circle at one point only
     • Secant
       • Touches the circle at two points
   • Segments
     • Chord
       • Diameter - Longest chord
     • Radius

3. Arc's

   • Minor Less than 180
   • Major Greater than 180
   • Semi Circle Equal 180

4. Angles

   • Central
     • Vertex at Center of Circle
   • Inscribed
     • Vertex on the Circle Circumference
   • Inside Angles ARC + ARC /2
   • Outside Angles ARcC ARC/2