Arc Length

New Review

There's no need to go to great lengths to learn about circles. Young mathematicians view a short YouTube video on how to find arc lengths of circles. The video covers a few examples highlighting the method of determining arc length in terms of pi and to the nearest hundredth.

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CCSS: Adaptable
Instructional Ideas

  • Use the video as part of a review on circles
Classroom Considerations

  • Learners should be familiar with the circumference of circles
  • Note that the resource uses theta to represent the central angle
Pros

  • Shows and explains each step of the solution process
Cons

  • Video quality is poor
Common Core