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What are inscribed and circumscribed angles?

Objectives

Students will:

  1. Define inscribed and circumscribed angles in circles.
  2. Describe the relationships among inscribed angles, radii and chords.
  3. Use the inscribed angle theorem to solve problems algebraically.

Skills Needed

Students must be able to:

  1. Define and find the central angle.
  2. Know the parts of a circle.
  3. Utilize the vertical angle theorem to identify measures of vertical angles.
  4. Use the triangle sum theorem to find the measure of a missing angle in a triangle.