Practice Exercise 6 : Unit Circle
Practice Exercise 6: Unit Circle
The figure above is a circle centered at ( 0,0 ) passing through point B ( 1,0 ). Draw the figure using GeoGebra and use the tools that you have learned to rotate B counterclockwise about the center O using an angle slider. Use Circular arc tool to construct arc BB'.
Guide Questions for Discussion
1. What is the length of the arc when the measure of the angle a is 90 0 ? 180 0 ? 360 0 ?
2. What happens to the measure of arc BB' when the measure of the angle is more than 360 0 ?