4.G.1-3

Front

What is a line?

Back

A straight path that extends infinitely in both directions with no endpoints.

Tags

CCSS.4.G.A.1

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What are parallel lines?

Back

Lines that never meet and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

What are perpendicular lines?

Back

Lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is a point?

Back

A specific location in space that has no size or dimension.

Tags

CCSS.4.G.A.1

Front

What is an angle?

Back

A figure formed by two rays that share a common endpoint.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a ray?

Back

A part of a line that has one endpoint and extends infinitely in one direction.

Tags

CCSS.4.G.A.1