Geometry Vocab

A location with no shape or size.

• Point

• Plane

• Line

• Ray

A measurable part of a line consisting of two endpoints.

• Ray

• Line

• Line Segment

• Parallel

Two segments that have the same length are __________.

• Collinear

• Congruent Segments

• Coplanar

• Segment Addition Postulate

Two lines that intersect at a 90 degree angle.

• Parallel Lines

• Ray

• Line Segment

• Perpendicular Lines

Two lines that never intersect.

• Parallel Lines

• Ray

• Line Segment

• Perpendicular Lines

An angle that measures 90 degrees.

• Obtuse Angle

• Right Angle

• Acute Angle

• Straight Angle

An angle measuring less than 90 degrees.

• Obtuse Angle

• Right Angle

• Acute Angle

• Straight Angle

An angle measuring greater than 90 degrees.

• Obtuse Angle

• Right Angle

• Acute Angle

• Straight Angle

An angle measuring 180 degrees.

• Obtuse Angle

• Right Angle

• Acute Angle

• Straight Angle

Two angles that have the same angle are _______________.

• Acute Angles

• Congruent Angles

• Supplementary Angles

• Right Angles