Regular Polygons

    Inscribe an equilateral triangle in a circle
    Inscribe a square in a circle
    Inscribe a regular pentagon in a circle
    Inscribe a regular hexagon in a circle
    Inscribe a regular octagon in a circle
    Inscribe a regular decagon in a circle
    Circumscribe a square about a circle
    Construct an equilateral triangle when a side is given
    Construct a square when a side is given
    Construct a regular pentagon when a side is given
    Construct a regular hexagon when a side is given