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Triangles
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Demonstrations 1  40 of 469
Fair Sharing of an Equilateral Triangular Pizza
New this month
Spherical Triangle Solutions
Wheels of Powered Triangles
Rational Distance Problem
Triangle Radicals
Congruence Classes of Geoboard Triangles
Triangle Altitudes and Circumradius
Folding a Strip to Converge to an Equilateral Triangle
Arbitrary Curves of Constant Width
Iteratively Reflecting a Point in the Sides of a Triangle
Halving a Triangle
Another Variant of Kosnita's Theorem
Trisecting an Angle Using the Cycloid of Ceva
How Many Triangles in a SixPointed Star?
Spherical Pythagorean Theorem
Repeatedly Subdividing Triangles through Special Points
Halving a Triangle Perimeter
Some Polyhedra with Identical Triangular Faces
Octahedra Constructed from Eight Identical Triangles
NonEuclidean Triangle Continuum
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