Introduce Tangent Ratio

  1. Introduce the Tangent Ratio.
  2. Give students a triangle and have them find the two tangent ratios in each given ratio. Remind them it is important to reduce.
  3. Show students how to use the calculator to find a side when given one side and an angle.
  4. Show students how to find an angle measure when given at least two sides.
  5. Teams meet to incorporate information on tangents into their presentation and Preliminary Design.

Tips and Tools

Show students this Khan Academy video on the equation of tangent lines. (8 minutes)