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Published byGregory Domenic Skinner
Modified over 6 years ago
Section 10-1 Tangents to Circles
Circle The set of all points in a plane that are equidistant from a given point (center). Center Circles are named by their center! P Circle P
Interior of a circle Consists of the points inside the circle Exterior of a circle Consists of the points outside the circle
L A NG E P
Radius The distance from the center of a circle to a point on the circle P
Segment whose endpoints are the center of the circle and a point on the circle All radii of a circle are congruent!
Two circles are congruent if they have the same radius.
Chord A segment whose endpoints lie on a circle
Diameter The distance across the circle, through the center The diameter is twice the radius
A diameter is a chord of a circle.
Secant A line that intersects a circle in two points. –I–It goes through the circle!
A line in the plane of a circle that intersects the circle in exactly one point, called the point of tangency. tangent
Tangent Line Point of Tangency
Chord Diameter S e c a n t P Circle P
Common tangent A line or segment that is tangent to two coplanar circles
Common internal tangent Intersects the segment that joins the centers of two circles A B
Common external tangent Does NOT intersect the segment that joins the centers of two circles. A B
In a plane, two circles can intersect in two points, one point, or no points.
two points of intersection:
One point of intersection:
no points of intersection:
Concentric circles Circles that lie in the same plane and have the same center
Section 10.1 Circles.
A chord that goes through the center of a circle
10.1 Tangents to Circles.
Lesson 6.1 Tangents to Circles
10.1 Use Properties of Tangents
Definitions A circle is the set of all points in a plane that are equidistant from a given point called the center of the circle. Radius – the distance.
Tangents, Arcs, and Chords
Geometry Lines That Intersect Circles
10.1 Use Properties of Tangents. Circle - the set of all points in a plane that are equidistant from a given point. Center - point in the middle of.
Tangents to Circles Pg 595. Circle the set of all points equidistant from a given point ▫Center Congruent Circles ▫have the same radius “Circle P” or.
Section 12.1: Lines That intersect Circles
Section 10 – 1 Use Properties of Tangents. Vocabulary Circle – A set of all points that are equidistant from a given point called the center of the circle.
Lines that intersect Circles
CIRCLES Chapter 10.
Circles Chapter 10.
Tangents to Circles (with Circle Review)
Geometry Honors Section 9.2 Tangents to Circles. A line in the plane of a circle may or may not intersect the circle. There are 3 possibilities.
Lesson 10.1a Circle Terminology.
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