Parallel Lines Cut by Transversal

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on opposite sides of the transversal and inside the parallel lines?

Back

Alternate Interior Angles.

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on the same side of the transversal and inside the parallel lines?

Back

Same Side Interior Angles.

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on the same side of the transversal and outside the parallel lines?

Back

Alternate Exterior Angles.

Front

What is the angle relationship when two parallel lines are cut by a transversal and the angles are on opposite sides of the transversal and outside the parallel lines?

Back

Corresponding Angles.

Front

What is the relationship between vertical angles formed by two intersecting lines?

Back

Vertical angles are equal.

Front

If two angles are supplementary, what is the sum of their measures?

Back

The sum is 180 degrees.

Front

If two angles are complementary, what is the sum of their measures?

Back

The sum is 90 degrees.

Front

If angle 1 is 49 degrees, what is the measure of its corresponding angle when two parallel lines are cut by a transversal?

Back

Angle 1's corresponding angle is also 49 degrees.

Front

If angle 1 is 131 degrees, what is the measure of the alternate interior angle?

Back

The alternate interior angle is 49 degrees.

Front

If angle C is 116 degrees, what is the measure of its supplementary angle?

Back

The supplementary angle is 64 degrees.