Chapter 10: Geometry Vocabulary

An angle that measures greater than 0* and less than 90*

• obtuse angle

• acute angle

• right angle

an angle that measures greater than 90* but less than 180*

• acute angle

• obtuse angle

• straight angle

• right angle

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

part of a line that begins at one endpoint and continues without end in one direction

• ray

• point

• line segment

• line

Tags

CCSS.4.G.A.1

an angle that forms a square corner (measures exactly 90*)

• acute angle

• obtuse angle

• straight angle

• right angle

lines that meet or cross each other at exactly one point

• parallel lines

• perpendicular lines

• intersecting lines

A straight path of points in a plane that continues with end in both directions with no endpoints

• ray

• line segment

• point

• line

lines that never intersect and are always the same distance apart

• perpendicular lines

• intersecting lines

• parallel lines

part of a line between two points on the line (endpoints)

• ray

• line

• line segment

• point

Tags

CCSS.L.1.6

CCSS.L.3.6

CCSS.L.K.5A

lines that intersect at right angles to form four right angles

• parallel lines

• perpendicular lines

• points

• intersecting lines

An exact location in space

• angle
• line
• point
• ray

Tags

CCSS.4.G.A.1