'Arc measure' diaporamas de présentation

10-2 Angles and Arcs

10-2 Angles and Arcs. Central Angle. A central angle is an angle whose vertex is at the center of a circle. Sum of Central Angles. The sum of the measures of the central angles of a circle with no interior points in common is 360. Arc. An arc is an unbroken part of a circle. Minor Arc.

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4-29-13

4-29-13. Do now: lines and angles The letter Z illustrates alternate interior angles. Find at least 1 other letter that illustrates pairs of angles (corresponding, alternate exterior, vertical, supplementary) Draw the letter Then mark and describe the angles. density.

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Chapter 11

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CCGPS Geometry Day 41 ( 3-24-14 )

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Brain Buster

Brain Buster. 1. Draw a circle with r = 4 and center A. 2. What is the diameter of the circle?. 3. Explain the difference between a secant & a chord. 4. What do you know about a tangent line and the radius drawn to the point of tangency?. Math II.

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Unit 3 Circles

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Section 7.6: Circles and Arcs Section 7.7: Areas of Circles, Sectors, and Segments

Section 7.6: Circles and Arcs Section 7.7: Areas of Circles, Sectors, and Segments Section 7.8: Geometric Probability. Review of Circles. You name a circle by its center point: circle P. Formulas: Area A = ?r 2 Circumference C = 2 ?r = ?d

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Monday December 16

Monday December 16. Test Friday . Analytic Geometry. UNIT QUESTION: What special properties are found with the parts of a circle? Standard: MM2G1, MM2G2 Today’s Question: How are central angles different from inscribed angles? Standard: MM2G3.b. C. Parts of a Circle.

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Solve the equations

Solve the equations. 3x=x+50 y+5y+66=360 x+14x=180 a 2 +16=25. Note: A diameter is a chord but not all chords are diameters. 10.2 ARCS AND CHORDS. An arc is a portion of the circumference of a circle. A chord is a line segment drawn between the end points of the arc. minor arc. chord.

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Monday, November 4 th

Monday, November 4 th. Warm Up. Fill in the blank A chord is a segment whose __________are on the circle A secant line intersects the circle__________. Vocab Review. Find the diameter or radius for each circle. D =. 24. 32. 12. r = ?. 16. r =. 4.5. 6. D =. 12. 9. Q. R. P.

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Solve the equations

Solve the equations. 3x=x+50 y+5y+66=360 x+14x=180 a 2 +16=25. Note: A diameter is a chord but not all chords are diameters. 10.2 ARCS AND CHORDS. An arc is a portion of the circumference of a circle. A chord is a line segment drawn between the end points of the arc. minor arc. chord.

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Lesson 9-1

Lesson 9-1. Circle Terminology. Circle Definition. Circle :. The set of points coplanar points equidistant from a given point. The given point is called the CENTER of the circle. The distance from the center to the circle is called the RADIUS. Center. Radius. Definitions. Chord :.

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10.6 Circles and Arcs

10.6 Circles and Arcs. In a plane, a circle is the set of all points equidistant from a given point called the center . A diameter is a segment that contains the center of a circle and has both endpoints on the circle.

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26 April 2011

26 April 2011. Precalculus. Simplify: sin q cos q sec q cot q. sin q cos q tan q sec q csc q. 300. 0 of 30. Agenda. Last trig identity Circle Intro Parts of a Circle Central Angle Measure Arc Measure Arc Length. Circle Investigation Day 1 4/26. Parts of a Circle. Diameter.

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Angles and Arcs

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Brain Buster

Brain Buster. 1. Draw 4 concentric circles. 2. Draw a circle with r = 4 and center A. 3. What is the difference between a chord and a diameter of a circle?. 4. Explain the difference between a secant & a chord.

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10.2 Finding Arc Measure

10.2 Finding Arc Measure. Essential Question: How do you find a measure of an arc of a circle? Standard 7.0: Students prove and use theorems involving the properties of parallel lines cut by a transversal, the properties of quadrilaterals , and the properties of circles. .

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Find Arc Measures

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