# How to Find the Altitude of an Isosceles Triangle?

A triangle is a geometrical shape with three sides, at least two of which are of equal length in an isosceles triangle. Isosceles comes from the Greek words iso, meaning same, and skelos, meaning l...
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## How to Find Angles in an Isosceles Triangle?

Isosceles triangles consist of two congruent (same size) sides called legs and one side that has a different measure, called the base. The angles formed at where the legs meet the base of the trian...
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## How to Find the Area of an Isosceles Triangle?

The area of isosceles triangle is 1/2* ( square of equal side)* sin of the vertical angle

http://www.wikihow.com/Find-the-Area-of-an-Isosceles-Triangle

## How to Find the Perimeter of a Isosceles Triangle?

It is easy to calculate an isosceles triangle's perimeter because it is a simple shape. A triangle, also known as a trigon, is a polygon with three interior angles and three sides. Triangles are cl...
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http://www.ehow.com/how_8412346_perimeter-isosceles-triangle.html

## How to Find Angles in an Isosceles Triangle for High School Geometry?

For a triangle to be an isosceles triangle, two of its three sides must be the same length. Because the two equal sides intersect identically with the third side, two of the triangle's angles also ...
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