- Introduce the Tangent Ratio.
- Give students a triangle and have them find the two tangent ratios in each given ratio. Remind them it is important to reduce.
- Show students how to use the calculator to find a side when given one side and an angle.
- Show students how to find an angle measure when given at least two sides.
- Teams meet to incorporate information on tangents into their presentation and Preliminary Design.
Tips and Tools
Show students Khan Academy video on the equation of tangent lines. (8 minutes)