AGENDA 1.) Agenda and Objectives 2.) Grouping and Definitions 3.) Students Share 4.) Further Discussion on Segments 5.) Practice Independently then Together 6.) Summary – Review Objectives 7.) Ticket Out The Door Tomorrow: 3/3 ARCS & CHORDS Monday: 3/06 Inscribed Angles Tuesday: 3:7 Angle Relationships

Circle: The set of all points in a plane that are _____________ from a given point, called the ________ of the circle. This would be called “circle C”,

RADIUS: distance from the _________ to a point on the circle.

Congruent Circles: Two circles are congruent if they have the same ____________.

DIAMETER: The distance ________ the circle through its _______.

Diameter / Radius Radius = ½ Diameter Diameter = 2 x radius r = ½ D D = 2 r

CHORD: a segment whose __________ are points on the circle.

CHORD: Is a radius a chord? _______ Is a diameter a chord? ______

SECANT: a LINE that _________ a circle in ____ points.

TANGENT: a line that _______ a circle in ______ point.

Interior Point: A point whose distance from the center is ______ than the radius. Exterior Point: A point whose distance from the center is ________ than the radius.

Internally Tangent Circles: Externally Tangent Circles: Both Internally Tangent and Externally Tangent Circles intersect in exactly ___________ point, and both types have a common _________________ .

Common Internal Tangent: _____________ the segment that joins the ___________ of two circles.

Common External Tangent: Does ______ intersect the segment that joins the ___________ of two circles.

The ________ at which a tangent line ___________ a circle. Which point is the point of tangency? Point of Tangency: The ________ at which a tangent line ___________ a circle.

Concentric Circles: More than one circle with a common ___________.

Concentric Circles: More than one circle with a common ___________.

Inscribed Polygon: A polygon who’s _______________ lie on the _______________.

Next: Pythagorean Theorem and Circles: