Angle Relationships

Front

What is the relationship between two angles that are opposite each other when two lines intersect?

Back

Vertical angles are equal.

Front

What do you call two angles that add up to 180 degrees?

Back

Supplementary angles.

Front

What do you call two angles that add up to 90 degrees?

Back

Complementary angles.

Front

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

Back

Corresponding angles are equal.

Front

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

Back

Alternate interior angles are equal.

Front

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

Back

Same-side interior angles are supplementary.

Front

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

Back

Angle 1 = Angle 2.

Front

If angle 3 and angle 4 are corresponding angles, what can be said about their measures?

Back

Angle 3 = Angle 4.

Front

What is the measure of angle 5 if it is complementary to angle 6, which measures 30 degrees?

Back

Angle 5 = 60 degrees.

Front

If angle 7 and angle 8 are supplementary and angle 7 measures 110 degrees, what is the measure of angle 8?

Back

Angle 8 = 70 degrees.