Illustration of a heptagonal, or sometimes known as a septagonal antiprism. An antiprism is formed by…

Illustration of a heptagonal, or sometimes known as a septagonal antiprism. An antiprism is formed by…

Illustration of a skewed (non-right) heptagonal, or sometimes known as a septagonal antiprism. An antiprism…

Illustration of a septagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a regular heptagon/septagon inscribed in a circle. This can also be described as a circle…

Illustration of a hollow septagonal/heptagonal pyramid that has been cut by a plane parallel to the…

A flashcard featuring an illustration of a polygon with seven equal sides

An illustration showing how to construct a heptagon, or septagon. "The appotem a in a hexagon is the…

Illustration of a hollow right heptagonal/septagonal prism with regular heptagons/septagons for bases…

Illustration of a regular right heptagonal/septagonal prism with regular heptagons/septagons for bases…

Illustration of a right heptagonal/septagonal prism with regular heptagons/septagons for bases and rectangular…

Illustration of a right heptagonal/septagonal prism with regular heptagons/septagons for bases and rectangular…

Illustration of 2 similar right heptagonal/septagonal prisms. Both have regular heptagons/septagons…

Illustration of a hollow right heptagonal (septagonal) pyramid. The base is a heptagon and the faces…

Illustration of a hollow right heptagonal (septagonal) pyramid. The base is a heptagon and the faces…

Illustration of a right septagonal/heptagonal pyramid with hidden edges shown. The base is a heptagon…

Illustration of a regular heptagon/septagon circumscribed about a circle. This can also be described…

Illustration of a right septagonal/heptagonal pyramid, with hidden edges shown, that has been cut by…

Illustration of a septagonal/heptagonal pyramid that has been cut by a plane parallel to the base. The…

Illustration of 3 regular concentric heptagons/septagons that are equally spaced.

Illustration of 4 regular concentric heptagons/septagons that are equally spaced.