Pythagorean Theorem for Solving Right Triangles: Solving the Triangle

This Pythagorean Theorem for Solving Right Triangles: Solving the Triangle interactive also includes:

Observe the change in the trigonometric ratios as angles vary. An interactive provides the values of trigonometric ratios for both acute angles in a right triangle. Pupils create a right triangle to match given criteria and find the length of one of the legs.

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CCSS: Adaptable
Instructional Ideas

  • Provide additional problems to find sides of right triangles
  • Lead a discussion on which ratio should be used based upon the unknown side
Classroom Considerations

  • The class should be familiar with the trigonometric ratios
  • Requires registration to set up a free account
Pros

  • The interactive allows for the adjustment of two aspects of the right triangle, angle measures, and leg lengths
  • Contains example problems on solving right triangles
Cons

  • The included video does not completely align with the activity
Common Core