Instructional Video

Tangent Lines of Circles

Curated and Reviewed by Lesson Planet

A video instructor explains the meaning of a line tangent to a circle. She then works through an application problem applying the tangent-radius relationship.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Require learners to take notes as they watch the video
  • Create similar practice problems for pupils to complete after watching the video
Classroom Considerations
  • Expects proficiency with using the Pythagorean Theorem to find unknown lengths
  • This video is hosted on YouTube
Pros
  • Incorporates real-life connections to add relevancy to the concept
  • Emphasizes new vocabulary throughout the video lesson
Cons
  • None
Common Core