Parallel Lines Angle Relationships

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

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

Congruent

Front

What is the relationship between alternate interior angles when two parallel lines are cut by a transversal?

Back

Congruent

Front

What is the relationship between same side exterior angles when two parallel lines are cut by a transversal?

Back

Supplementary

Front

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

Back

180 degrees

Front

If angle 1 = 27° and angle 2 is a corresponding angle, what is the measure of angle 2?

Back

27°

Front

If angle 3 and angle 4 are same side interior angles and angle 3 = 60°, what is the measure of angle 4?

Back

120°

Front

If angle 5 = 90°, what can be said about angle 6 if they are alternate interior angles?

Back

Angle 6 = 90°

Front

What is the value of x if angle 7 = 2x + 10° and angle 8 = 3x - 20° are same side interior angles?

Back

x = 10

Front

If lines r and s are cut by a transversal and angle 9 = 43°, what is the measure of angle 10 if angle 10 is a corresponding angle?

Back

43°