Parallel Lines and transversal: #1 (angle pairs)
Students:
1. The applet below shows various angle pairs. Select the various check boxes to see them.
2. You can use the two sliders to change the diagram.
3. You can use the angle tool ( 
) to measure angles.
Select the tool, and then select the three points that trace the angle to measure the angle.
) to measure angles.
Select the tool, and then select the three points that trace the angle to measure the angle.