Parallel Lines and Transversals

Front

Corresponding angles are...

Back

congruent

Front

Solve for x: If angle A and angle B are vertical angles and angle A = 4x + 10, angle B = 2x + 30, find x.

Back

x = -2, Vertical Angles

Front

Solve for x: If angle C and angle D are vertical angles and angle C = 5x + 15, angle D = 2x + 30, find x.

Back

x = 3, Vertical Angles

Front

Solve for x: If angle E and angle F are supplementary and angle E = 3x + 20, angle F = 2x + 40, find x.

Back

x = 6, Supplementary Angles

Front

What is the Alternate Exterior Angles Theorem?

Back

If two parallel lines are cut by a transversal, then each pair of alternate exterior angles is congruent.

Front

What is the Corresponding Angles Theorem?

Back

If two parallel lines are cut by a transversal, then each pair of corresponding angles is congruent.

Front

What is the Same-Side Interior Angles Theorem?

Back

If two parallel lines are cut by a transversal, then each pair of same-side interior angles is supplementary.

Front

Define vertical angles.

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always congruent.

Front

Define supplementary angles.

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

Define complementary angles.

Back

Complementary angles are two angles whose measures add up to 90 degrees.