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# Geometric Lines - PowerPoint PPT Presentation

Geometric Lines . You Can Find Geometric Lines in the Real World. In Art. On Roads. In Games. On Our Flag. On Maps. Types of Lines. A line is a collection of points along a straight path that goes on and on in opposite directions. A line has no endpoints.

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## PowerPoint Slideshow about 'Geometric Lines' - anneke

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Presentation Transcript

### Geometric Lines

In Art

In Games

On Our Flag

On Maps

A line is a collection of points along a straight path that goes on and on in opposite directions. A line has no endpoints.

A line segment is a part of a line having two endpoints.

A ray is a part of a line with one endpoint and goes on and on in one direction...

Horizontal lines are lines that run left to right,

like the horizon.

Vertical lines are lines that run up and down, like a telephone pole.

Parallel lines are on in one direction...lines that never intersect and are always the same distance from each other at every point on the lines.

Intersecting lines are two lines that cross at only one point.

Perpendicular lines are two lines that intersect on in one direction...

or meet and make four square or right angles.

What kind of lines on in one direction...do you see?

horizontal

vertical

parallel

perpendicular

What kind of lines on in one direction...do you see?

horizontal

vertical

parallel

perpendicular

intersecting

Line segment

What kind of lines on in one direction...do you see?

The red lines are

_______ to the Blue Lines.

parallel

The Yellow lines ________ the Black Lines.

Intersect

What kind of lines on in one direction...do you see?

The Trees are

_______ to the ground.

The horizon is

_______ to the ground.

perpendicular

horizontal

The short sections attached to the pole are on in one direction... _______ to the long section of the pole.

What kind of lines do you see?

perpendicular

The short sections attached to the pole are _______ to each other.

parallel

In teams identify two roads that are: on in one direction...

Parallel

Perpendicular