Vertical & Adjacent Angles

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The line to the right can be rotated by moving the red dot.

Definitions:

Angles that share a common edge are called adjacent angles.
Angles that are on opposite sides of the intersection of a pair of lines are called vertical angles.

Questions:
How many angles are there in the image to the right?

How many pairs of adjacent angles are there? List them.

What are the sums of all of the adjacent angels that you found? What do you call pairs of angles with this property?

How many pairs of opposite angles are there? What do their measures have in common?

Can you use the property from adjacent angles to explain the property from opposite angles?

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