In the figure above lines CG and AB are parallel and line FH is a transversal. Angles 1 - 4 have already been measured. Use the angle tool to measure angles 5 - 8. [br][br]What do you notice about the measure of angles 1 and 5?
What do you notice about the measure of angles 4 and 6?
What do you notice about the measure of angles 2 and 8?
What do you notice about the measure of angles 4 and 5?