Central and inscribed angles in circles

Intros
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Lessons
  1. What are Inscribed angles and Central angles?
Examples
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Lessons
  1. Find x

    1. Using central angle to find inscribed angles in circles

    2. Using central angles and properties of isosceles triangles to find unknown angles in circles

    3. Central and inscribed angles in circles

    4. find unknown using the relationship between central angles
  2. Given: 2∠\angleBAD =∠\angleECD
    Prove: BD = DE
    Central and inscribed angles in circles