Illustration of a decagonal bifrustum created by three parallel planes of decagons with the middle plane…
Illustration of a decagon circumscribed about a circle. This can also be described as a circle inscribed…
Illustration of a decagon inscribed in a circle. This can also be described as a circle circumscribed…
Illustration of a 5-point star inscribed in a circle. This can also be described as a circle circumscribed…
A 5-point star made from a non-regular concave decagon in which all sides are equal in length.
Illustration of a decagonal prism with regular decagons for bases and rectangular faces. The hidden…
Illustration of a right decagonal prism with regular decagons for bases and rectangular faces.
Illustration of a right decagonal prism with regular decagons for bases and rectangular faces. The prism…
Illustration of a swimming pool and water hose that is in the shape of a hollow regular decagonal prism…
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 a non-regular decagonal prism in the shape of a star. Then ends/bases are made of star-shaped…
Illustration of a non-regular decagonal prism in the shape of a star. Then ends/bases are made of star-shaped…
Side view of a non-regular decagonal prism in the shape of a star. Then ends/bases are made of star-shaped…
Illustration of 2 similar right decagonal prisms. Both have regular decagons for bases and rectangular…