Parallel, Perpendicular, and Intersecting Lines

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 are intersecting lines?

Back

Lines that cross each other at any angle.

Tags

CCSS.HSG.CO.A.1

Front

What is a ray?

Back

A part of a line that has one endpoint and goes on endlessly in one direction.

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 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 a picture?

Back

Look for lines that are always the same distance apart and never touch.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines in a picture?

Back

Look for lines that meet at a right angle (90 degrees).

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

Tags

CCSS.4.G.A.1

Front

Can two lines be both parallel and intersecting?

Back

No, parallel lines never meet, while intersecting lines cross each other.

Tags

CCSS.HSG.CO.A.1