The Compendium Geometry is an eBook providing facts, formulas and explanations about geometry. 
Home Analytic Geometry Triangle Isosceles Triangle  
See also: Triangle  General Definitions, Construction of a Triangle, Properties of a Right Triangle, Equilateral Triangle  
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Isosceles TriangleIf two sides of a triangle (a and b in the figure at the left) are equal but different to the third side, this triangle is called an isosceles triangle. This property is equivalent to two angles of the triangle being equal. The name is derived from the Greek iso (same) and skelos (leg). The following table shows the most important properties of an isosceles triangle:


Home Analytic Geometry Triangle Isosceles Triangle 