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 point?

Back

A specific location in space that has no size or dimension.

Tags

CCSS.4.G.A.1

Front

What is a ray?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What does it mean for lines to be parallel?

Back

They do not touch or cross each other, no matter how far they are extended.

Tags

CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines?

Back

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

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is an example of intersecting lines?

Back

The lines of a cross or the letter 'X'.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is the difference between a line and a ray?

Back

A line extends infinitely in both directions, while a ray has one endpoint and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is the symbol for parallel lines?

Back

The symbol '||' is used to denote parallel lines.

Tags

CCSS.HSG.CO.A.1