Parallel Lines cut by a transversal

Front

What special angle relationship do angles 2 and 3 have?

Back

Vertical Angles

Front

What special angle relationship do angles 1 and 5 have?

Back

Corresponding Angles

Front

What special angle relationship do angles 4 and 5 have?

Back

Alternate Interior angles

Front

What special angle relationship do angles 2 and 7 have?

Back

Alternate Exterior Angles

Front

When angles are congruent, they are ____________

Back

equal

Front

Define Vertical Angles.

Back

Angles that are opposite each other when two lines cross. They are always equal.

Front

Define Corresponding Angles.

Back

Angles that are in the same position on two parallel lines in relation to a transversal. They are equal.

Front

Define Alternate Interior Angles.

Back

Angles that are on opposite sides of the transversal and inside the two parallel lines. They are equal.

Front

Define Alternate Exterior Angles.

Back

Angles that are on opposite sides of the transversal and outside the two parallel lines. They are equal.

Front

What is the sum of the measures of consecutive interior angles?

Back

180 degrees.