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

Give an example of parallel lines.

Back

Railroad tracks are an example of parallel lines.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

Give an example of perpendicular lines.

Back

The edges of a square are perpendicular to each other.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

Give an example of intersecting lines.

Back

The hands of a clock intersect at different times.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify parallel lines in a drawing?

Back

Look for lines that are equidistant and never touch.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines in a drawing?

Back

Look for lines that meet to form a right angle.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify intersecting lines in a drawing?

Back

Look for lines that cross each other.

Tags

CCSS.HSG.CO.A.1

Front

What is the symbol for parallel lines?

Back

The symbol || is used to represent parallel lines.

Tags

CCSS.HSG.CO.A.1