Unit 3 Vocab

Front

Parallel Lines

Back

Two lines in a plane that never intersect.

Front

Skew Lines

Back

Two lines that are not coplanar and never intersect.

Front

Transversal Line

Back

Intersects two or more lines at distinct points.

Front

Interior Angle

Back

Angle formed inside by two adjacent sides.

Front

Exterior Angle

Back

Angle formed outside by two adjacent sides.

Front

Consecutive Interior Angles

Back

Interior angles on the same side of the transversal.

Front

Alternate Interior Angles

Back

Non-adjacent interior angles on opposite sides of the transversal.

Front

Alternate Exterior Angles

Back

Non-adjacent exterior angles on opposite sides of the transversal.

Front

Corresponding Angles

Back

Pairs of angles in the same position at each intersection where a straight line crosses two others.

Front

Perpendicular Transversal Theorem

Back

If a line is perpendicular to 1 of 2 parallel lines, it is perpendicular to the other.