- OPEN ENDED Draw and label an example of an angle with negative measure in standard position. Then find an angle with positive measure that is coterminal with this angle.
- Writing in Math Use the information on page 779 to explain how trigonometry is used in building construction. Include an explanation as to why the ratio of vertical rise to horizontal run on an entrance ramp is the tangent of the angle the ramp makes with the horizontal.
- Writing in Math Use the information on page 796 to explain how you can model the position of riders on a skycoaster.
