Sine Rule – Missing Sides

New Review

Respect the rules. Young mathematicians watch a video in which the narrator explains the sine rule, or the law of sines. They see how to apply the law of sines to find a missing side of a triangle. A worksheet provides an opportunity for additional practice.

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CCSS: Adaptable
Instructional Ideas

  • Use the worksheet as homework and go over it as a class the next day
Classroom Considerations

  • Scholars should be familiar with calculating with trigonometric values
  • Note that the video is for learners studying for the GCSE and uses British terms, like sine rule rather than law of sines

  • Shows all steps of the work

  • Esoteric treatment of topic is not likely to motivate young pupils
Common Core