Parallel lines and transversal

Front

If angle 1 has a measure of 135° and lines are parallel, what is m∠2?

Back

45°

Front

If lines are parallel with a transversal, what type of angles are formed?

Back

Vertical Angles

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

Angle C and P are what type of angles when lines are parallel?

Back

Same Side Interior Angles

Front

If m∠n = 113°, what is m∠s?

Back

113°

Front

What are corresponding angles?

Back

Angles that are in the same position on parallel lines in relation to the transversal.

Front

What is the sum of the angles on a straight line?

Back

180°.

Front

What are alternate interior angles?

Back

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

Front

If two angles are supplementary, what is their relationship?

Back

They add up to 180°.

Front

What is the measure of vertical angles?

Back

Vertical angles are equal.