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

Can parallel lines ever meet?

Back

No, parallel lines never meet.

Tags

CCSS.HSG.CO.A.1

Front

What is an example of parallel lines in real life?

Back

The rails of a train track.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is an example of perpendicular lines in real life?

Back

The corners of a square or rectangle.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What shape has both parallel and perpendicular lines?

Back

A rectangle or square.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines?

Back

They form a 'T' shape or a right angle when they intersect.

Tags

CCSS.4.G.A.1

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

Front

What is the symbol for perpendicular lines?

Back

The symbol ⊥ is used to represent perpendicular lines.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1