Angles in the Same Segment – Proof

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If angles intercept the same arc, the angles must be the same size. The quick video talks through the proof of showing the reason two inscribed angles that intersect the same arc have the same measurement. Pupils then create their own proofs with the included worksheets. 

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CCSS: Adaptable
Instructional Ideas

  • Create a list of theorems related to circles
  • Use algebra to develop a proof
Classroom Considerations

  • Individuals should be aware of how to find the measure of central angles and inscribed angles
Pros

  • Uses colors to help visualize angles
  • Contains a YouTube and embedded version of the video
Cons

  • None