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This Right Triangles Inscribed in Circles I lesson plan also includes:
- Answer Key
- Teacher Reference
- Worksheet
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One of the basic properties of inscribed angles gets a triangle proof treatment in a short but detailed exercise. Leading directions take the learner through identifying characteristics of a circle and how they relate to angles and lengths. Not much structure is provided for answering, so the learner has to follow his own intuition for explanation.
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CCSS:
Designed
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Instructional Ideas
- Suggested differentiations allow for amending directions to include more or less leading information
- Great introductory or supplemental activity for a lesson on inscribed angles
- Useful for end-of-course open-response practice, particularly with organizing a paragraph-style proof
Classroom Considerations
- Weaknesses in using triangle properties will show up quickly, might need remediation handy
Pros
- Simply stated problem without much prerequisite knowledge required for elegant proof development
- Excellent practice identifying parts of circles and reaching logical conclusions
Cons
- Student worksheet not separated from teacher notes / answer key