Geometry Vocabulary

a geometric figure consisting of 2 rays with a common endpoint

• line
• angle
• ray

Tags

CCSS.4.G.A.1

the sides that form the angle

• endpoint
• vertex
• rays

Tags

CCSS.4.G.A.1

part of a line consisting of two endpoints and all the points between them

• line segment
• vertex
• angle

Tags

CCSS.HSG.CO.A.1

the point where the rays intersect

• angle
• line
• vertex

Tags

CCSS.4.G.A.1

angle has a measure of 90 degrees

• acute angle
• right angle
• straight angle

Tags

CCSS.4.G.A.1

angle has a measure of 180 degrees

• right angle
• straight angle
• obtuse angle

Tags

CCSS.4.G.A.1

angle has a measure greater than 90 degrees but less than 180 degrees

• obtuse angle
• right angle
• acute angle

Tags

CCSS.4.G.A.1

angle has a measure less than 90 degrees

• straight angle
• right angle
• acute angle

Tags

CCSS.4.G.A.1

are two lines that never meet

• perpendicular lines
• parallel lines
• transversal

Tags

CCSS.HSG.CO.A.1

a line, ray, or segment that intersects two parallel lines

• perpendicular lines
• parallel lines
• transversal

Tags

CCSS.HSG.CO.A.1