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Understanding Arcs, Chords, and Central Angles in Circles

This review focuses on key concepts related to arcs, chords, and central angles in circles. It explores definitions such as minor arcs, semicircles, and the properties of diameters, chords, and radii. The study includes various problems involving calculations of arcs and relationships between different circle elements. Misconceptions are addressed, such as identifying false statements regarding the properties of the components of a circle. Additionally, the review provides a series of problems to enhance understanding and application of these concepts.

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Understanding Arcs, Chords, and Central Angles in Circles

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Presentation Transcript

  1. Circles Pt 1 Test Review

  2. Arc XZY is a: • Minor arc • Semicircle • Minor arc • Central angle

  3. Arc XY is: 100 120 140 200

  4. Which statement is FALSE • BC is a diameter • AB is a chord • OC is a radius • BO is a chord

  5. If BC is 10, find AO 10 20 15 5

  6. Given arc AB = 60, Arc BE is 120 and Arc DA is 40 Find <AEC • 40 • 120 • 30 • 60

  7. Find arc BCD • 60 • 100 • 260 • 300

  8. What is the definition of minor arc • Equivalent to the major arc • Greater than 180 • Equal to the central angle • Major arc plus 360

  9. Name an arc with the measure of 333 • Arc WSX • Arc WYX • Arc WXS • Arc YX

  10. Name a chord that is not a diameter • AB • BC • DC • DB

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