Chapter 5 Geometry Vocab

Front

Two lines in the same plane that never intersect

Back

parallel lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

Two lines in the same plane that intersect at right angles

Back

perpendicular lines

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

A line that cuts across another set of lines (usually parallel)

Back

transversal line

Tags

CCSS.HSG.CO.A.1

Front

Inside angles formed by two lines cut by a transversal

Back

interior angles

Tags

CCSS.8.G.A.5

Front

Four outer angles formed by two lines cut by a transversal.

Back

Exterior angles.

Tags

CCSS.8.G.A.5

Front

Non-adjacent interior angles on opposite sides of the transversal

Back

alternate interior angles

Tags

CCSS.8.G.A.5

Front

Non-adjacent exterior angles on opposite sides of the transversal

Back

alternate exterior angles

Tags

CCSS.8.G.A.5

Front

Angles in the same position on two parallel lines with a transversal

Back

corresponding angles

Tags

CCSS.8.G.A.5

Front

Opposite angles formed by intersecting lines.

Back

Vertical angles.

Tags

CCSS.7.G.B.5

Front

Two angles that sum to 180 degrees, also called a linear pair.

Back

supplementary angles

Tags

CCSS.7.G.B.5