Illustration of a regular nonagon inscribed in a circle. This could also be described as a circle circumscribed…

Illustration of a regular nonagon circumscribed about a circle. This can also be described as a circle…

Illustration of a regular nonagon inscribed in a circle. This can also be described as a circle circumscribed…

Illustration of a circle inscribed in a regular nonagon. This could also be described as a regular nonagon…

Illustration of an equilateral triangle inscribed in a regular nonagon. This could also be described…

Illustration of a regular nonagon inscribed in an equilateral triangle. This could also be described…