Vertical angles and Angles Formed by Parallel Lines and a Transversal

Topic:
Angles
This applet shows the relationships between angles formed by a pair of parallel lines and a transversal.

How would you describe vertical angles to someone else?

What type of angles are on the opposite side of the transversal and the outside of the parallel lines?

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What angles are inside the parallel lines and on the same side of the transversal?

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What angles are on opposite sides of the transversal, and on the inside of the parallel lines

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What type of angles are in the same position relative to the transversal and their line?

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