Geometry Vocabulary

Front

What is a line?

Back

A line is a straight one-dimensional figure that extends infinitely in both directions and has no endpoints.

Tags

CCSS.4.G.A.1

Front

What is a segment?

Back

A segment is a measurable part of a line consisting of two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What does circumscribed mean?

Back

Circumscribed means drawn around another figure, touching at points but not cutting it.

Front

What does inscribed mean?

Back

Inscribed means drawn within another figure so that their boundaries touch but do not intersect.

Tags

CCSS.RI.11-12.4

CCSS.RI.7.4

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RI.9-10.4

Front

What is a point?

Back

A point is a location in space with no shape or size.

Tags

CCSS.4.G.A.1

Front

What is a ray?

Back

A ray is a part of a line that starts at one endpoint and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What does perpendicular mean?

Back

Perpendicular refers to two lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is congruence in geometry?

Back

Congruence means that two figures have the same shape and size.

Tags

CCSS.8.G.A.2

Front

What is a bisector?

Back

A bisector is a line or segment that divides another line segment into two equal parts.

Tags

CCSS.4.G.A.1

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint, called the vertex.