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This Cyclic Quadrilateral – Proof instructional video also includes:
What do you call a quadrilateral in danger? A peril-lelogram! Scholars avoid danger by proving the opposite angles in a quadrilateral add up to 180 degrees. After viewing a brief video, they complete textbook exercises and a practice worksheet.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Challenge scholars to find another method to prove the opposite angles
- Add this theorem to pupil's math journals with the other often referenced theorems
Classroom Considerations
- Relies on prior knowledge of circles, quadrilaterals, and angles
Pros
- Video allows sharing in multiple formats
- Uses high-contrast colors to help the visually impaired
Cons
- None