Instructional Video

Equation of a Tangent to a Circle

Curated and Reviewed by Lesson Planet
This Equation of a Tangent to a Circle instructional video also includes:

Don't go off on a tangent—let the video do the talking! A video lesson demonstrates how to write the equation of a line tangent to a circle given the point of tangency and the equation of the circle. The instructor explains both a graphical and algebraic method to calculate the equation.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Post the referenced review videos on a class website for learners to view prior to the new lesson
  • Create a guided notes document for pupils to complete as they watch the lesson
Classroom Considerations
  • Assumes students know how to write the equation of a line from a slope and point
Pros
  • Provides a set of practice problems to follow the video
  • Includes an option to download the video for viewing offline
Cons
  • None