Parallel and perpendicular lines

Front

What are parallel lines?

Back

Lines that never cross and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

What are perpendicular lines?

Back

Lines that intersect to form right angles (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 one point.

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 yellow yard lines on a road.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is an example of perpendicular lines in real life?

Back

The black lines on a Railroad Crossing sign.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What do we call lines that form square corners?

Back

Perpendicular lines.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is the angle formed by perpendicular lines?

Back

90 degrees.

Tags

CCSS.4.G.A.1

Front

What are adjacent lines?

Back

Lines that are next to each other and share a common point.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What are opposite lines?

Back

Lines that are on opposite sides of a transversal.

Tags

CCSS.HSG.CO.A.1