Parallel Lines cut by a Transversal

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What is the equation to solve for X if angle 1 is 135 degrees?

Back

12X - 29 + 4X + 1 = 180.

Front

Name the angle relationship when two lines intersect and form opposite angles that are equal.

Back

Vertical Angles.

Front

If angle 1 is 135 degrees, what is the measure of angle 3?

Back

135 degrees.

Front

If angle 1 = 27°, what is the measure of angle 4?

Back

27°.

Front

What are corresponding angles?

Back

Angles that are in the same position on different parallel lines cut by a transversal.

Front

What is the sum of the interior angles on the same side of a transversal?

Back

180°.

Front

Define alternate interior angles.

Back

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

Front

What is the relationship between alternate exterior angles?

Back

They are equal when two parallel lines are cut by a transversal.

Front

If two angles are complementary, what is their sum?

Back

90°.