'Inscribed angles intercept' diaporamas de présentation

Chapter 10: Circles

Chapter 10: Circles. 10.1 Circles and Circumference. Name a circle by the letter at the center of the circle Diameter - segment that extends from one point on the circle to another point on the circle through the center point

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Chapter 10: Circles

Chapter 10: Circles. 10.1 Circles and Circumference. Name a circle by the letter at the center of the circle Diameter - segment that extends from one point on the circle to another point on the circle through the center point

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Circles

Mathematics. Circles. Grade. INTRODUCTION. Objective : To identify some concepts of the circle such as center, chord, diameter and radius. P. CONTENTS. Circles. Diameter. Chord. Concepts on Circle. Quiz. Q. P. Circles.

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8-5 Angles in Circles

8-5 Angles in Circles. Central Angles. A central angle is an angle whose vertex is the CENTER of the circle. NOT A Central Angle (of a circle). Central Angle (of a circle). Central Angle (of a circle). CENTRAL ANGLES AND ARCS.

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Inscribed Angles

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Lesson 6.3 Inscribed Angles and their Intercepted Arcs

Lesson 6.3 Inscribed Angles and their Intercepted Arcs. Objectives: Using Inscribed Angles Using Properties of Inscribed Angles. Homework: Lesson 6.3/ 1-12 Friday-Chapter 6 Quiz 2 on 6.1-6.3. Using Inscribed Angles. Inscribed Angles & Intercepted Arcs.

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Warm-up

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Warm-up

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Daily Check

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Daily Check

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Warm Up

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Warm up

Warm up. Review HW. Skills Check. Case I: Central Angle: Vertex is AT the center. A. ?. P. B. Case II: Inscribed Angle: Vertex is ON circle. ?. ANGLE. ARC. ARC. ?. ANGLE. 160 ?. The arc is twice as big as the angle!!. 80 ?. Find the value of x and y. 120 ?. ?. x. ?. y.

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Inscribed Angles

Inscribed Angles. Inscribed Angle : An angle whose vertex is on the circle and whose sides are chords of the circle. INTERCEPTED ARC. INSCRIBED ANGLE. YES; CL. C. T. O. L. Determine whether each angle is an inscribed angle. Name the intercepted arc for the angle. 1. NO; QVR.

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Warm up

Warm up. Review HW. Case I: Central Angle: Vertex is AT the center. A. ?. P. B. Case II: Inscribed Angle: Vertex is ON circle. ?. ANGLE. ARC. ARC. ?. ANGLE. 160 ?. The arc is twice as big as the angle!!. 80 ?. Find the value of x and y. 120 ?. ?. x. ?. y. ?. J. K. Q.

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Warm up

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Warm up

Warm up. 30 ?. 8 0 ?. 100 ?. 180 ?. 100 ?. 260 ?. Wheel of Formulas!!. Central Angle. Angle = Arc. Inscribed Angle. Angle where the vertex is ON the circle. Inscribed Angle. 160 ?. The arc is twice as big as the angle!!. 80 ?. Find the value of x and y. 120 ?. ?. 120 ?. x.

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INSCRIBED ANGLE

Inscribed Angle : An angle whose vertex is on the circle and whose sides are chords of the circle. INTERCEPTED ARC. INSCRIBED ANGLE. What do we call this type of angle?. What is the value of x?. What do we call this type of angle?. How do we solve for y?.

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INSCRIBED ANGLE

Inscribed Angle : An angle whose vertex is on the circle and whose sides are chords of the circle. INTERCEPTED ARC. INSCRIBED ANGLE. What do we call this type of angle?. What is the value of x?. What do we call this type of angle?. How do we solve for y?.

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Section 9-5

Section 9-5. Inscribed Angles. B. C. A. D. Inscribed angles. An angle whose vertex is on a circle and whose sides contain chords of the circle. are inscribed angles. Theorem 9-7. The measure of an inscribed angle is equal to half the measure of its intercepted arc. If m = 45,

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Chapter 10 : Circles

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