matematicas visuales visual math

The three cuspidal points of the Steiner deltoid are the vertices of an equilateral triangle.

Steiner Deltoid and Morley triangle: The three cuspidal points of the Steiner deltoid are the vertices of an equilateral triangle | matematicasVisuales

The sides of this equilateral triangle are parallel to those of the Morley triangle and its orientation is inverse.

Steiner Deltoid and Morley triangle: The sides of this equilateral triangle are parallel to those of the Morley triangle  and its orientation is inverse | matematicasVisuales

REFERENCES

Coxeter, H. S. M. and Greitzer, S. L. Geometry Revisited. Washington, DC: Math. Assoc. Amer.
Coxeter, H. S. M. Introduction to Geometry, 2nd ed. New York: John Wiley and sons, 1969.

MORE LINKS

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