Types of Lines

Front

What is a ray?

Back

A part of a line that starts at one endpoint and goes on forever in one direction.

Tags

CCSS.4.G.A.1

Front

What is a line?

Back

A straight path that extends infinitely in both directions.

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 intersect 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 an intersecting line?

Back

Lines that cross each other at any angle.

Tags

CCSS.HSG.CO.A.1

Front

What is a point in geometry?

Back

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

Tags

CCSS.4.G.A.1

Front

How can you identify parallel lines in real life?

Back

Look for lines that run alongside each other without meeting, like train tracks.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines in real life?

Back

Look for lines that meet to form a right angle, like the corner of a square.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

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

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Tags

CCSS.4.G.A.1