Parallel, Intersecting, or Perpendicular Lines?

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet or intersect. They are always the same distance apart.

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Front

What are intersecting lines?

Back

Intersecting lines are lines that cross each other at one point.

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Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

Can parallel lines ever meet?

Back

No, parallel lines never meet or cross each other.

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CCSS.HSG.CO.A.1

Front

Give an example of parallel lines in real life.

Back

The edges of a ruler are an example of parallel lines.

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

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Give an example of intersecting lines in real life.

Back

The intersection of roads is an example of intersecting lines.

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

Give an example of perpendicular lines in real life.

Back

The corners of a square or rectangle are examples of perpendicular lines.

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify parallel lines?

Back

You can identify parallel lines by checking if they are always the same distance apart and never meet.

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CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

How can you identify intersecting lines?

Back

You can identify intersecting lines by looking for lines that cross each other at any point.

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CCSS.HSG.CO.A.1

Front

How can you identify perpendicular lines?

Back

You can identify perpendicular lines by checking if they meet at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1