Vocabulary 3 (angles)
- Central Angle = the vertex of the angle is the center of the circle
- Inscribed Angle = the vertex of the angle is on the circle
- Common Tangents = a line that is tangent to the two circles
- Internal Tangent = a line that intersects the segment joining the centers of the circles
- External Tangent = a line that does not intersect the line that connects the centers of the circles