# How to Calculate Angle Size?

Angle size calculation refers to the use of geometrical laws and invariants to find out how many degrees an angle is. Therefore, it is different from angle size measurement, which includes the use ...
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http://www.ehow.com/how_8497231_calculate-angle-size.html

## How to Calculate the Size of a Central Angle?

If you've ever seen a blueprint or had to build something, you know how important angles are and the ability to calculate their sizes. In a circle, knowing what the central angle is over a certain ...
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http://www.ehow.com/how_8143388_calculate-size-central-angle.html

## How to Calculate the Torsion Angle?

A torsion angle (also known as a dihedral angle) is an angle between two planes. Calculating a torsion angle is relatively straightforward, if you know the normal unit vector of the two planes. A n...
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http://www.ehow.com/how_7966001_calculate-torsion-angle.html

## How to Calculate Forces at an Angle?

In most physics problems, forces interact on a body. Unfortunately, most of this forces are applied into the body at an angle, which makes them difficult to work with. Being able to decompose these...
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http://www.ehow.com/how_8222375_calculate-forces-angle.html

## How to Calculate a 90-Degree Angle?

The 90-degree angle, also known as a right angle, is one of the most prevalent angles used in architecture. The 90-degree angle, formed by two lines that are perpendicular to each other, is a basic...
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http://www.ehow.com/how_8275462_calculate-90degree-angle.html