# What does it mean to be perpendicular?

For two objects to be perpendicular, they must intersect or meet at a right angle (90 degrees). On a coordinate plane, to be perpendicular means that the slope of one line will equal the negative r... Read More »

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## How to Align Yourself to the Perpendicular?

Alignment to the perpendicular should be a constant conscious tickle buried at the bottom of your awareness. Especially if you spend much time in front of a computer, this natural posture can becom... Read More »
http://www.wikihow.com/Align-Yourself-to-the-Perpendicular

## How to Know If a Vector Is Perpendicular?

Perpendicular vectors on a graph cross each other at 90 degree angles. If you have a printed graph and a protractor or T-square, you can measure the angles of intersection manually to determine if ... Read More »
http://www.ehow.com/how_8508181_vector-perpendicular.html

## How to Find a Line Perpendicular to Another?

Two lines are perpendicular to one another if they intersect each other in the shape of a "t" to form a 90-degree angle. A line that is perpendicular to another has a slope that is negative and rec... Read More »
http://www.ehow.com/how_8338889_line-perpendicular-another.html

## How to Create Perpendicular Lines?

Perpendicular lines intersect each other to create four 90-degree angles. While it would be fairly easy to create some lines that are roughly perpendicular, if you want to create perfectly perpendi... Read More »
http://www.ehow.com/how_8456578_create-perpendicular-lines.html

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