Parallel Lines Flashcards

Front

Complementary Angles

Back

Two angles whose measures have a sum of 90°.

Front

Vertical Angles

Back

Angles that are opposite each other when two lines intersect. They are congruent.

Front

Alternate Interior Angles

Back

Angles that lie inside two parallel lines on opposite sides of a transversal. These angles are congruent.

Front

Alternate Exterior Angles

Back

Angles that lie outside two parallel lines, on opposite sides of the transversal line. These angles are congruent.

Front

Corresponding Angles

Back

Angles that are in the same location on two parallel lines. These angles are congruent.

Front

Supplementary Angles

Back

Angles whose sum is 180 degrees. These angles form a straight line.

Front

Name the angle relationship shown.

Back

Alternate Interior Angles

Front

Name the angle relationship shown.

Back

Vertical Angles

Front

Name the angle relationships shown.

Back

Complementary Angles

Front

Name the angle relationship shown.

Back

Alternate Exterior Angles