Constructing a perpendicular bisector
Constructing an angle bisector
Constructing a perpendicular line through a point on a line
Constructing an equilateral triangle
Constructing a parallel line (Corresponding angles)
Constructing a regular hexagon
Constructing a hexagon inscribed in a circle
Tangent to a circle at a point
Tangents through an external point
Equilateral triangle inscribed in a circle