# 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...
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http://www.wikihow.com/Align-Yourself-to-the-Perpendicular

## Do-It-Yourself: Illustration on How to Align Headlights?

The headlights on your vehicle don't normally need to be aligned unless you have just replaced the housing assembly and the new housing did not come pre-adjusted from the factory. Most housing asse...
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http://www.ehow.com/how_6241599_do_it_yourself_-illustration-align-headlights.html

## How to Find a Perpendicular Slope?

Perpendicular lines intersect one another at 90-degree angles. The slope of a line charts its vertical climb or descent over a specified horizontal distance. The slopes of perpendicular lines can b...
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http://www.ehow.com/how_8271203_perpendicular-slope.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...
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http://www.ehow.com/how_8456578_create-perpendicular-lines.html

## How to Prove a Square Is Perpendicular?

A square is a quadrilateral shape that has four sides of equal length and four right angles. It may seem easy to identify a square by sight, but the only way to be sure is to measure it. One method...
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http://www.ehow.com/how_8518169_prove-square-perpendicular.html