Triangle -- from Wolfram MathWorld
By A Mystery Man Writer
Description
A triangle is a 3-sided polygon sometimes (but not very commonly) called the trigon. Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle, with the side opposite the right angle being termed the hypotenuse and the other two sides being known as the legs. All triangles are convex and bicentric. That portion of the plane enclosed by the triangle is called the triangle interior, while the
Circular Triangle -- from Wolfram MathWorld
Bernoulli Triangle -- from Wolfram MathWorld
Munching Squares -- from Wolfram MathWorld, munching
3, 4, 5 Triangle -- from Wolfram MathWorld
Triangle - Alchetron, The Free Social Encyclopedia
What is the simplest-to-understand proof of the existence of the
Stammler Triangle -- from Wolfram MathWorld
Narayana Triangle -- from Wolfram MathWorld
Euler Four-Square Identity -- from Wolfram MathWorld, four square
Lemoine Triangle -- from Wolfram MathWorld
Obtuse Triangle -- from Wolfram MathWorld
Paralogic Triangles -- from Wolfram MathWorld
MacBeath Triangle -- from Wolfram MathWorld
Medial Triangle -- from Wolfram MathWorld
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