MathBitsNotebook Geometry Lessons and Practice is a free site for students (and teachers) studying high school level geometry.
Types of Triangles - MathBitsNotebook (Geo)
geometry - Constructing an equilateral triangle of a given side
Practice with Triangles - MathBitsNotebook(Jr)
Constructing an Equilateral Triangle, Geometry
Isosceles and Equilateral Triangles - 7 2, PDF
Constructing an Equilateral Triangle, Geometry
Is it possible to draw an equilateral triangle with its vertices lying on three sides of a rectangle, or on four sides of a square using just straight lines and ruler only?
How to Inscribe a Circle in a Triangle, Geometry
How to draw an equilateral triangle in a circle, using a compass and straightedge - Quora
Constructions - More Practice - MathBitsNotebook(Geo)
How To Construct An Equilateral Triangle