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

Which figure shows a set of perpendicular lines?

Back

Look for lines that meet at a right angle.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

Which figure shows a set of parallel lines?

Back

Look for lines that never meet and are equidistant.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is a line?

Back

A straight path that goes on forever 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 is a ray?

Back

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

Tags

CCSS.4.G.A.1

Front

How can you identify parallel lines in a figure?

Back

They will never intersect and will be the same distance apart.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines in a figure?

Back

They will form a right angle (90 degrees) where they intersect.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1