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This The Inscribed Angle Alternate – A Tangent Angle lesson plan also includes:
- Geometry Module 5: Teacher Materials
- Geometry Module 5: Student Materials
- Geometry Module 5: Copy Ready Materials
- Geometry Module 5, Topic C Overview
- Geometry Module 5, Topic C, Lesson 13: Teacher Version (Doc)
- Geometry Module 5, Topic C, Lesson 13: Student Version (PDF)
- Geometry Module 5, Topic C, Lesson 13: Student Version (Doc)
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You know the Inscribed Angle Theorem and you know about tangent lines; now let's consider them together! Learners first explore angle measures when one of the rays of the angle is a tangent to a circle. They then apply their newfound knowledge to an exercise set.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Use geometry software to demonstrate the concept in the Example section
Classroom Considerations
- Exploratory challenge requires a protractor and a ruler
- The lesson uses the Inscribed Angle Theorem covered in previous lessons
- The 14th installment of a 23-part module
Pros
- Learners explore concrete examples, then develop a proof of the more general case
- Closing activity reviews all knowledge learners should know about tangent lines
Cons
- None