Parallel lines cut by a 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 Interiors

Front

If two lines are parallel, what can be said about the alternate interior angles?

Back

They are congruent.

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 Interiors

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

Alternate Exteriors

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

Same Side Exteriors

Front

If two parallel lines are cut by a transversal, what can be said about corresponding angles?

Back

They are congruent.

Front

Solve for x: If angle A = 3x + 10 and angle B = 5x - 20, and they are corresponding angles, what is x?

Back

x = 15

Front

Identify the pair of alternate exterior angles: Angle 7 and Angle 4, Angle 2 and Angle 6, Angle 8 and Angle 1, Angle 2 and Angle 8.

Back

Angle 8 and Angle 1

Front

What is the sum of the interior angles on the same side of the transversal when two parallel lines are cut by a transversal?

Back

They are supplementary (sum to 180 degrees).

Front

If angle 1 and angle 2 are alternate interior angles, what can be said about their measures?

Back

They are equal.