An isosceles triangle therefore has both two equal sides and two equal angles. The name derives from the Greek iso (same) and skelos (leg). ...
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mathworld.wolfram.com/IsoscelesTriangle.html
mathworld.wolfram.com/IsoscelesTriangle.html
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An isosceles right triangle therefore has angles of 45 degrees , 45 degrees ... Polyforms made up of isosceles right triangles are called polyaboloes. ...
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mathworld.wolfram.com/IsoscelesRightTriangle.html
mathworld.wolfram.com/IsoscelesRightTriangle.html
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Triangle - Wikipedia, the free encyclopedia
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A triangle is one of the basic shapes of geometry: a polygon with three corners or vertices and three sides or edges which are line segments. A triangle with vertices A , B , and C is denoted ...
en.wikipedia.org/wiki/Triangle
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An important fact to know is that an isosceles triangle is a triangle in which two of its sides are equal in length. Thus, once you know which two sides are congruent, then the angles opposite them, respectively, are equal in measure.
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www.geom.uiuc.edu/~dwiggins/conj13.html
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A triangle with two congruent sides ; Example:;
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www.hbschool.com/glossary/math2/define/gr5/isosceles_tr...
www.hbschool.com/glossary/math2/define/gr5/isosceles_triangle5.html
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Isosceles Triangle ... Polygon; Regular polygon; Vertex; Triangle; Equilateral triangle; Isosceles triangle; Scalene triangle; Acute triangle; Obtuse triangle; Right triangle; Quadrilateral; Rectangle; Square; Parallelogram; Rhombus; Trapezoid; Pentagon; Hexagon; Heptagon; Octagon; Nonagon; Decagon; Circle; Convex...
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www.mathleague.com/help/geometry/polygons.htm
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On this page we hope to clear up problems that you might have with isosceles and/or equilateral triangles. These kind of triangles are special triangles, and if you scroll down, you'll be able to better understand the peculiarities of each type of triangle.
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library.thinkquest.org/20991/geo/ietri.html
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One of Euclid's theorems is that the base angles of an isosceles triangle are congruent (equal). An isosceles triangle is a triangle in which two of the sides are conguent (equal). The base angles are the angles opposite the two congruent sides.
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www.jimloy.com/geometry/iso.htm
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Definition and properties of isosceles triangles ... Try this Drag the orange dots on each vertex to reshape the triangle. Notice it always remains an isosceles triangle, the sides AB and AC always remain equal in length...
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www.mathopenref.com/isosceles.html
www.mathopenref.com/isosceles.html
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[ī-sŏśə-lēź]
