Angles Vocabulary

Front

Transversal

Back

A line that intersects two or more lines at different points.

Front

Parallel Lines

Back

Lines in a plane that never meet and are always the same distance apart.

Front

Acute Angle

Back

An angle that measures less than 90 degrees.

Front

Perpendicular Lines

Back

Lines that intersect to form right angles (90 degrees).

Front

Supplementary Angles

Back

Two angles whose measures add up to 180 degrees.

Front

Skew Lines

Back

Lines that do not intersect and are not parallel, existing in different planes.

Front

Right Angle

Back

An angle that measures exactly 90 degrees.

Front

Obtuse Angle

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

Linear Pair

Back

A pair of adjacent angles formed when two lines intersect.

Front

Complementary Angles

Back

Two angles whose measures add up to 90 degrees.