Geometry - Lines

Front

What is a line segment?

Back

Part of a line with 2 endpoints.

Tags

CCSS.HSG.CO.A.1

Front

What is a ray?

Back

Part of a line with 1 endpoint and goes on forever.

Tags

CCSS.4.G.A.1

Front

What are parallel lines?

Back

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

Tags

CCSS.HSG.CO.A.1

Front

What is an angle?

Back

A figure formed by two rays with a common endpoint.

Front

What is a line?

Back

A straight path of points that goes on and on in two directions.

Tags

CCSS.4.G.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 an intersecting line?

Back

Lines that cross each other at any angle.

Tags

CCSS.HSG.CO.A.1

Front

What is the difference between a line and a line segment?

Back

A line goes on forever in both directions, while a line segment has two endpoints.

Tags

CCSS.4.G.A.1

Front

What is the endpoint of a ray?

Back

The point where the ray starts, which is one of its endpoints.

Tags

CCSS.4.G.A.1

Front

How many endpoints does a line have?

Back

A line has no endpoints.

Tags

CCSS.4.G.A.1