Types of lines

Front

What are parallel lines?

Back

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

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CCSS.HSG.CO.A.1

Front

What are intersecting lines?

Back

Lines that cross each other at one point.

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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

How do you denote a line segment?

Back

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CCSS.HSG.CO.A.1

Front

What is the symbol for a line?

Back

A line is denoted with a double-headed arrow, e.g., @@ ightarrow AB@@.

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CCSS.HSG.CO.A.1

Front

What is the difference between parallel and intersecting lines?

Back

Parallel lines never meet, while intersecting lines cross at a point.

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CCSS.HSG.CO.A.1

Front

Can two lines be both parallel and intersecting?

Back

No, two lines cannot be both parallel and intersecting.

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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 is the angle formed by perpendicular lines?

Back

90 degrees.

Tags

CCSS.4.G.A.1

Front

How can you identify parallel lines in a diagram?

Back

They will have arrows indicating they are parallel.

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1