'Tangent segments' presentation slideshows

Visibility Graphs and Cell Decomposition

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Chapter 12 Final Exam Review Project

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Review Poster

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CHAPTER 12:

CHAPTER 12:. CIRCLES. By: Danielle Cohen & Linnea Henningson. Lesson 1: Circles, Radii, and Chords. Lesson 1: Definitions. Circle: A set of all points in a plane that are at a given distance from a given point in the plane.

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Circles and Lengths of Segments

Circles and Lengths of Segments. December 1, 2009. A bit of review: Inscribed angles. Theorem: The measure of an inscribed angle is equal to half the measure of its intercepted arc. Inscribed quadrilaterals.

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Parts of Circles

Parts of Circles. Chord. A segment whose endpoints lie on the circle and does not go through the center of the circle. Y. Chord: XY. X. Secant. A line that intersects a circle at two points. Y. Secant: XZ. X. Z. Tangent. A line that intersects a circle at exactly one point. m. Y.

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EXAMPLE 1

Tell whether the line, ray, or segment is best described as a radius, chord, diameter, secant, or tangent of C. AC. AC. a. a. is a radius because C is the center and A is a point on the circle. EXAMPLE 1. Identify special segments and lines. SOLUTION.

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12-1 Tangent Lines

12-1 Tangent Lines. Understanding Tangent Lines. A tangent to a circle is a line that intersects a circle in exactly one point. The point where a circle and a tangent intersect is the point of tangency .

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Tangent and Chord Properties

Tangent and Chord Properties. Segments and Lines in relation to circles. Review of Terms and Ideas. Tangent. Line or segment that touches a circle at one point ( point of tangency) This line or segment is perpendicular to the radius at this point. Tangent Segments.

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12-6

12-6. Segment Relationships in Circles. Holt McDougal Geometry. Holt Geometry. Learning Targets. I will find the lengths of segments formed by lines that intersect circles. I will use the lengths of segments in circles to solve problems. Vocabulary. secant segment external secant segment

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10-7 ~ Segments of Tangents, Secants, & Chords

10-7 ~ Segments of Tangents, Secants, & Chords. Segment Relationships. External Secant Segment. Secant Segment. Tangent Segment. Relationships. 2 Tangents If two tangent segments intersect at the same point, then the two tangent segments are congruent Tangent = Tangent. Practice.

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Notes Use Properties of Tangents 10.1

Notes Use Properties of Tangents 10.1. Theorem 10.1. In a plane, a line is tangent to a circle if and only if the line is ____________ to a radius of the circle at its endpoints on the circle. Theorem 10.2. Tangent segments from a common external point are _____________.

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Geometry Honors Section 9.2 Tangents to Circles

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. A * secant to a circle is a line which intersects the circle in two points.

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Geometry Honors Section 9.2 Tangents to Circles

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 . A * secant to a circle is a line which intersects the circle in two points.

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12.1 Tangent Lines

12.1 Tangent Lines. A tangent to a circle is a line in the plane of the circle that intersects the circle in exactly one point. The point where a circle and a tangent intersect is the point of tangency. Theorem 12.1.

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Geometry January 4, 2011

Geometry January 4, 2011. Get out: pencil, binder, homework and begin do now silently. . Objectives: SWBAT Use circle vocabulary in context to describe drawings and relationships Determine relationships between tangents and between radii and tangents. Agenda: Do Now (10 min)

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Tangents of a Circle: Lesson 37

Tangents of a Circle: Lesson 37. LESSON OBJECTIVE: Determine and prove that a line tangent to a circle is perpendicular to the radius at the point of tangency and that the two tangent segments to a circle from the same external point are congruent.

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