'Congruent chords' presentation slideshows

Geometry Arcs and chords

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Geometry Arcs and chords

Geometry Arcs and chords. Warm Up. Arcs and Chords. A center angle is an angle whose vertex is the center of a circle. An arc is an unbroken part of a circle consisting of two points called the end points and all the points on the circle between them. A. A. B. B. C. C.

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10.2 Arcs and Chords

10.2 Arcs and Chords. Geometry Mrs. Spitz Spring 2005. Objectives/Assignment. Use properties of arcs of circles, as applied. Use properties of chords of circles. Assignment: pp. 607-608 #3-47 Reminder Quiz after 10.3 and 10.5 .

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Engaging Students in Visualizing and Conjecturing in Geometry

Engaging Students in Visualizing and Conjecturing in Geometry. Jim Rahn www.jamesrahn.com James.rahn@verizon.net. Is the development of geometric understanding related to age or maturation? experience? instruction?.

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Circle Proofs

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10.2 Arcs and Chords

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12.3 Arcs and Chords

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Circle Note cards

Circle Note cards. Are you ready? We heard you were going to make a few note cards - and then there might be a short quiz. Have fun!!. White note card. circle. The set of all points in a plane that are equidistant from a given point. chords. diameter. Named by its center: ? D. D.

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Bellwork

Bellwork. Pg 590 1-3. 11.2 Chords and Arcs. Chapter 11 Circles. P. Chord: segment whose endpoints are on the circle. ). Chord PQ and Arc PQ. Q. Theorem 11-4: Within a circle or in congruent circles Congruent central angles have congruent chords Congruent chords have congruent arcs

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Sect. 12-3 Properties of Chords and Arcs

Sect. 12-3 Properties of Chords and Arcs. Geometry Honors. What and Why. What? Find the lengths of chords and measures of arcs of a circle. Locate the center of a circle using chords. Why? To find the radius of a circle in real-life situations such as archaeology. Congruent Arcs and Chords.

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Chords, Tangents, Secants, Minor A rcs , and Major A rcs

Chords, Tangents, Secants, Minor A rcs , and Major A rcs. Radius. . O. Diameter. Center. Chord. Secant. Tangent. Common Internal tangent: is one line that is tangent to two circle, with circles on opposite sides of the line.

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9.1 ~ Chords & Arcs

9.1 ~ Chords & Arcs. All about Circles. Circle : the set of all points in a plane equidistant from a center point Radius : a segment from the center of the circle to a point on the circle Chord : a segment whose endpoints lie on the circle

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Objectives: Use congruent chords, arcs and central angles

Section 11-2 Chords and Arcs SPI 32B: Identify chords of circles given a diagram SPI 33A: Solve problems involving the properties of arcs, tangents, chords. Objectives: Use congruent chords, arcs and central angles. Chord of a circle

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Circle - Introduction

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Chapter 12.2 Chords and Arcs

Chapter 12.2 Chords and Arcs. Theorem 12.4. Within a circle or in congruent circles 1) Congruent central angles have congruent chords 2) Congruent chords have congruent arcs 3) Congruent arcs have congruent central angles. B. D. C. F. O. P. Theorem 12.5.

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Arcs and Chords

Arcs and Chords. 9.3.3.8 Know and apply properties of a circle to solve problems and logically justify results. . Lesson Obj : IWBAT know and apply properties of a circle to solve problems. Definition: Chord: Any segment whose endpoints lie on the circle.

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Arcs in Circles

Arcs in Circles. Definition:. An arc is part of a circle's circumference The degree measure of an arc is equal to the degree measure of the central angle that intercepts the arc. . Length of an Arc vs. Circumference. In a circle, the length of an arc is a portion of the circumference

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Geometry/Trig 2 Name: __________________________

Geometry/Trig 2 Name: __________________________ Unit 8 GSP Explorations & Notes Date: ___________________________ (Sections 9.2-9.6). Section 9.2 Corollary. Conclusion (Corollary): Segments that are tangent to a circle from a point are ___________________. Sketch the diagram:

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Chords and Arcs

In the diagram, radius OX bisects AOB . What can you conclude?. AOX BOX by the definition of an angle bisector. AX BX because congruent central angles have congruent chords. AX BX because congruent chords have congruent arcs. Chords and Arcs. Lesson 12-2.

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