Geometric Lines

You Can Find Geometric Lines in the Real World

On Roads In Art

On Our Flag

In Games

On Maps

Types of LinesA 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...

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

Horizontal lines are lines that run left to right, like the horizon.

Parallel lines are 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 or meet and make four square or right angles.

What kind of lines do you see?

HORIZONTAL

VERTICAL

PARALLELPERPENDICULAR

What kind of lines do you see?

HORIZONTALVERTICALPARALLEL

PERPENDICULAR

INTERSECTINGLINE SEGMENT

What kind of linesdo you see?

THE RED LINES ARE_______ TO THE

BLUE LINES.

THE YELLOW LINES ________ THE BLACK LINES.

PARALLEL

INTERSECT

What kind of linesdo you see?

THE TREES ARE _______ TO THE

GROUND.

PERPENDICULAR

THE HORIZON IS _______ TO THE

GROUND.

HORIZONTAL

What kind of lines do you see?

THE SHORT SECTIONS ATTACHED

TO THE POLE ARE _______ TO THE

LONG SECTION OF THE POLE.

THE SHORT SECTIONS ATTACHED

TO THE POLE ARE _______ TO EACH

OTHER.

PARALLEL

PERPENDICULAR

IN TEAMS IDENTIFY TWO ROADS THAT

ARE:

PARALLEL

PERPENDICULAR

IN YOUR NOTEBOOK

WRITE HOW YOU KNOW YOUR

ANSWERS

On your own create ageometric design that includes the following types of lines:

parallelperpendicularhorizontalverticalintersecting