Constructing Angles
1. Slide (a) around to make obtuse, acute, right, or straight angles.
2. Next use the Angle Bisector Tool and click on points A then B then A'
3. Next make a point on the line that was just created.
4. Then use the Angle Tool to measure angle ABC and angle A'BC
5. Move the slide tool to answer the following questions.
After using the Angle Bisector tool, write the definition of an angle bisector.
After you had completed steps 1-5 did you notice anything significant about angle ABC and angle A'BC?
How could you construct your own angle bisector on GeoGebra or by hand?