9.3. 1. Find the value of x. 2. Identify the special name given to each segment in Circle Q.

Slides:

Advertisements

Similar presentations

Tangents Sec: 12.1 Sol: G.11a,b A line is ______________________ to a circle if it intersects the circle in exactly one point. This point.

Advertisements

A B Q Chord AB is 18. The radius of Circle Q is 15. How far is chord AB from the center of the circle? 9 15 (family!) 12 x.

1 Lesson 10.2 Arcs and Chords. 2 Theorem #1: In a circle, if two chords are congruent then their corresponding minor arcs are congruent. E A B C D Example:

Circles and Chords. Vocabulary A chord is a segment that joins two points of the circle. A diameter is a chord that contains the center of the circle.

Lesson 8-4: Arcs and Chords

Sect Properties of Chords and Arcs Geometry Honors.

Unit 4: Arcs and Chords Keystone Geometry

TODAY IN GEOMETRY…  Warm Up: Major and Minor Arcs  Learning Target : 10.3 You will use relationships of arcs and chords in a circle.  Independent practice.

Chapter 10.3 Notes: Apply Properties of Chords

10.3 Arcs and Chords If two chords are congruent, then their arcs are also congruent Inscribed quadrilaterals: the opposite angles are supplementary If.

Arcs and Chords Recognize and use relationships between arcs and

8-2C Radius-chord Conjectures What is a chord? What special relationship exists between a radius of a circle and a chord?

8-3 & 8-4 TANGENTS, ARCS & CHORDS

Geometry 9.4 Arcs and Chords.

10.3 – Apply Properties of Chords

Circles Chapter 12.

- Segment or distance from center to circle. Objective - To find the circumference of a circle. Circle - The set of points that are equidistant from a.

Circle : A closed curve formed in such a way that any point on this curve is equidistant from a fixed point which is in the interior of the curve. A D.

1. 3x=x y+5y+66= x+14x= a 2 +16=25 Note: A diameter is a chord but not all chords are diameters.

Circles, II Chords Arcs.

Tuesday, February 5, 2013 Agenda: TISK, NO MM Lesson 9-3: Arcs & Chords HW Check (time) Homework: §9-3 problems in packet

11-2 Chords & Arcs 11-3 Inscribed Angles

12.2 Chords and Arcs Theorem 12.4 and Its Converse Theorem –

a b c d ab = cd x X = x X = x X = 1 Example 1:

Properties of Chords. When a chord intersects the circumference of a circle certain properties will be true.

Math 9 Unit 4 – Circle Geometry. Activity 3 – Chords Chord – a line segment that joints 2 points on a circle. A diameter of a circle is a chord through.

11-2 Chords and Arcs  Theorems: 11-4, 11-5, 11-6, 11-7, 11-8  Vocabulary: Chord.

9-3 Arcs and Chords Objectives: To recognize and use relationships among arcs, chords, and diameters.

10.3 Chords. Review Draw the following on your desk. 1)Chord AB 2)Diameter CD 3)Radius EF 4)Tangent GH 5)Secant XY.

1. 3x=x y+5y+66= x+14x= a 2 +16=25 Note: A diameter is a chord but not all chords are diameters.

Arcs, Chords and Tangents (G.11c/2.1,12.2)

Chord and Tangent Properties. Chord Properties C1: Congruent chords in a circle determine congruent central angles. ●

Circles: Arcs, Angles, and Chords. Define the following terms Chord Circle Circumference Circumference Formula Central Angle Diameter Inscribed Angle.

Arcs and Chords Theorem 10.2 In a circle or in congruent circles, two minor arcs are are congruent if and only if their corresponding chords are congruent.

B ELLWORK ACT Review: (x, y) is the midpoint of a segment with endpoints (2, -3) and (8, 9). What is the sum of x and y ? Geometry Review: Find the length.

Section 10-2 Arcs and Central Angles. Theorem 10-4 In the same circle or in congruent circles, two minor arcs are congruent if and only if their corresponding.

Main Idea 1: If the arcs are congruent, then the chords are congruent. REVERSE: If the chords are congruent, then the arcs are congruent. Main Idea 2:

Warm Up 3-8 Find X. Announcements Online HW due Wednesday night Warm Ups due Thursday Test Friday.

Circle Geometry.

A B C D In the same circle, or in congruent circles, two minor arcs are congruent if and only if their corresponding chords are congruent. AB  CD if.

10.2 Arcs and Chords Unit IIIC Day 3. Do Now How do we measure distance from a point to a line? The distance from a point to a line is the length of the.

Lesson 10-3: Arcs and Chords

12.2 Chords and Arcs.

10.3 – Apply Properties of Chords

Unit 3: Circles & Spheres

Do Now 1.) Explain the difference between a chord and a secant.

Section 10.4 Arcs and Chords.

Chapter 10: Properties of Circles

Assignment 1: 10.3 WB Pg. 127 #1 – 14 all

Lesson 10-3 Arcs and Chords.

Lesson 8-4: Arcs and Chords

Geometry 11.4 Color Theory.

Chords, secants and tangents

Arcs and Chords 9.3a.

Lesson 8-4: Arcs and Chords

Section 11 – 2 Chords & Arcs Objectives:

8-3 & 8-4 TANGENTS, ARCS & CHORDS

Lesson 8-4 Arcs and Chords.

Lesson 8-4: Arcs and Chords

Lesson 10-3: Arcs and Chords

12.2 Chords & Arcs.

Lesson 8-4: Arcs and Chords

Lesson 10-3: Arcs and Chords

Warm Up 1. Draw Circle O 2. Draw radius OR 3. Draw diameter DM

Chapter 9-4 Arcs and Chords.

Tangents, Arcs, and Chords

Presentation transcript:

9.3

1. Find the value of x. 2. Identify the special name given to each segment in Circle Q.

 In a circle, if a radius or diameter is perpendicular to a chord, then it bisects the chord and it’s arc.

 In a circle, two chords are congruent if and only if they are equidistant from the center.  XY and AB are both equidistant from then center of circle S.  If XY = 48, what is AB?

 The chord of circle C is 20 inches long and 12 inches from the center of circle C. Find the length of the radius.

 1. RB=5, AB=  2. AB=14, AR=  3. RB=4, OR=3, OB=  4. OB =10, RB=8, OR=  5. OB=10, AR=6, OR= **Each question is unrelated to the question before it.**

 1. QT=8, QN=  2. TE=6, TN=  3. TN=82, ET=  4. QE=3,EN=4,QN=  5. QN=13,EN=12,QE=  6. TN=16, QE=6, QN= **Each question is unrelated to the question before it.**

 Suppose a chord of a circle is 24cm long and is 15 cm from the center of the circle. Find the length of the radius.

 Suppose the diameter of a circle is 34in long and a chord is 30in long. Find the distance between the chord and the center of the circle.

cm