Points, Lines, & Angles Vocabulary

A ____ is a part of a line that has one endpoint and continues without end in one direction.

• line

• ray

• line segment

• angle

Tags

CCSS.4.G.A.1

A _________ _____ forms a square corner.

(90 degrees)

• straight angle

• acute angle

• obtuse angle

• right angle

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

A _____ is a straight path of points that continues without end in both directions.

• line

• ray

• line segment

• angle

Tags

CCSS.4.G.A.1

_____ are lines in a plane that cross at exactly one point. Intersecting lines form four angles.

• parallel

• angles

• intersecting

• point

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

A ______ is an exact location in space

• line segment

• line

• point

• parallel

Tags

CCSS.4.G.A.1

_________ _____ are lines in a plane that intersect to form four right angles.

• perpendicular

• parallel

• intersecting

• angle

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

A _____ _________ is part of a line between two endpoints.

• line segment

• line

• ray

• point

Tags

CCSS.4.G.A.1

_________ _____ are lines in a plane that are always the same distance apart. Parallel lines never intersect.

• parallel

• intersecting

• perpendicular

• angles

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

A _________ _____ forms a line. (180 degrees)

• obtuse angle

• straight angle

• right angle

• acute angle

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

An _________ _____ is less than a right angle. (Less than 90 degrees)

• acute angle

• obtuse angle

• straight angle

• right angle

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2