# 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...
Read More »

http://www.ehow.com/how_8195084_measure-angles-triangles.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...
Read More »

http://www.ehow.com/how_8483256_outside-angles-triangles.html

## How to Find the Difference in the Measure of Two Complementary Angles?

Angles are complementary if they add up to 90 degrees. For example, the sum of a 35-degree angle and a 55-degree angle is 90 degrees; therefore, these two angles would be considered complementary. ...
Read More »

http://www.ehow.com/how_8445351_difference-measure-two-complementary-angles.html

## 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...
Read More »

http://www.ehow.com/info_8514107_types-triangles-angles.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...
Read More »

http://www.ehow.com/how_8458511_classify-triangles-sides-angles.html