Alexander Bogomolny

Affine transformation of a regular hexagon
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Alexander Bogomolny
Rectangle in Three Circles by Hirotaka Ebisui
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Alexander Bogomolny
Cube in Octahedron
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Alexander Bogomolny
Octahedron
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Alexander Bogomolny
Cube
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Alexander Bogomolny
Dodecahedron
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Alexander Bogomolny
Tetrahedron
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Alexander Bogomolny
Icosahedron
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Alexander Bogomolny
Basic circle of Apollonius
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Alexander Bogomolny
Apollonius by Inversion
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Alexander Bogomolny
Monge Via Desargues
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Alexander Bogomolny
Three Random Points on a Circle
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Alexander Bogomolny
Flank triangles
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Alexander Bogomolny
Four Hinged Squares Sangaku
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Alexander Bogomolny
Ceva's theorem
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Alexander Bogomolny
Collinearity in tangent circles
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Alexander Bogomolny
Feuerbach Theorem
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Alexander Bogomolny
Problem 1 from the 1994 Nordic Contest
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Alexander Bogomolny
Mirror property of the altitudes II
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Alexander Bogomolny
Mirror property of altitudes
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Alexander Bogomolny
Angle between lines joing vertices of a cube
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Alexander Bogomolny
Equilateral and 3-4-5 triangles
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Alexander Bogomolny
Pythagorean theorem in a square with a 45 degrees angle
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Alexander Bogomolny
Construct Equilateral Triangle on Three Parallel Lines
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Alexander Bogomolny

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