Parallel Line Proofs

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 does the Alternate Interior Angles Theorem state?

Back

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

Front

Define 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 Consecutive Interior Angles Theorem?

Back

If two parallel lines are cut by a transversal, then each pair of consecutive interior angles are supplementary.

Front

What is the definition of Vertical Angles?

Back

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

Front

Explain the Transitive Property in geometry.

Back

If angle A is congruent to angle B, and angle B is congruent to angle C, then angle A is congruent to angle C.

Front

What is the Reflexive Property?

Back

Any geometric figure is congruent to itself.

Front

Define the Symmetric Property in geometry.

Back

If angle A is congruent to angle B, then angle B is congruent to angle A.

Front

What is the Corresponding Angles Postulate?

Back

If two parallel lines are cut by a transversal, then the corresponding angles are congruent.

Front

What does it mean for angles to form a Linear Pair?

Back

Angles that form a linear pair are adjacent angles whose non-common sides form a straight line, and they are supplementary.