# Types of Triangles & Angles?

The study of angles and angles and triangles is part of geometry, a branch of math. There are three types of angles--right angle, obtuse angle and acute angle--and triangles are named after what ty...
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http://www.ehow.com/info_8514107_types-triangles-angles.html

## How to Find Outside Angles in Triangles?

A triangle not only has inside angles but outside angles as well. When a triangle's side is extended, the extension creates another angle. This angle, called an outside or exterior angle, has a spe...
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http://www.ehow.com/how_8483256_outside-angles-triangles.html

## How to Classify Triangles by Sides & Angles?

Shapes are differentiated by three basic properties: the number of sides, the comparative length of these sides and the interior angles within the shape. A triangle is a shape characterized as alwa...
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http://www.ehow.com/how_8458511_classify-triangles-sides-angles.html

## How to Find & Measure Angles for Triangles?

All triangles contain three angles. If the angles all have the same measurement -- 60 degrees -- it is an equilateral triangle, whereas a right triangle has one angle of 90 degrees that forms the s...
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http://www.ehow.com/how_8195084_measure-angles-triangles.html

## All of the Types of Triangles?

Every triangle has three sides and three angles. It is a closed geometric figure, meaning all sides connect. Classify triangles by comparing the length of their sides, by measuring their angles or ...
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http://www.ehow.com/info_8173593_types-triangles.html