Illustration of an octagonal antiprism. An antiprism is formed by having two parallel congruent bases…

Illustration of an octagonal antiprism. An antiprism is formed by having two parallel congruent bases…

Illustration of a skewed (non-right) octagonal antiprism. An antiprism is formed by having two parallel…

Illustration of a octagonal bifrustum created by three parallel planes of octagons with the middle plane…

Illustration of a circle with a polygon (octagon) and square inscribed.

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

An illustration showing how to construct an octagon on a given line. "Prolong AB to C. With B as center…

Illustration of an irregular concave octagon. This polygon has some symmetry.

Illustration of an irregular concave octagon. This polygon has some symmetry.

Illustration of an irregular concave octagon. This polygon has some symmetry.

Illustration of an irregular convex octagon. This polygon has some symmetry.

Illustration of an irregular convex octagon. This polygon has some symmetry.

Illustration of an irregular convex octagon. This polygon has some symmetry.

Illustration of an irregular convex octagon. This polygon has some symmetry.

Illustration of an octagon with symmetry with respect to two axes perpendicular to each other. It is…

A stretched out image of the octagonal dome by using projection or with dividers to create a five-piece…

Illustration of a right octagonal pyramid, with hidden edges shown, that has been cut by a plane parallel…

Illustration of a right octagonal pyramid that has been cut by a plane parallel to the base. The lower…

Illustration of a hollow octagonal pyramid that has been cut by a plane parallel to the base. The top…

Illustration of a figure that is made up of 4 octagons with 5 squares (diamonds).

Illustration of crossed polygon. This is not generally considered to be a real polygon.

Illustration of a right octagonal prism with regular octagons for bases and rectangular faces. The hidden…

Illustration of a right octagonal prism with regular octagons for bases and rectangular faces. The height…

Illustration of a right octagonal prism with octagons for bases and rectangular faces. The height of…

Illustration of a right octagonal prism, with octagons for bases and rectangular faces, that is resting…

Illustration of 2 right octagonal prisms with congruent bases, but different heights. The height of…

Illustration of 2 Similar right octagonal prisms. The height and length of the edges of the smaller…

Illustration of a hollow right octagonal pyramid. The base is an octagon and the faces are isosceles…

Illustration of a right octagonal pyramid with hidden edges shown. The base is an octagon and the faces…

"Draw the diagonals of the square. With the corners of the square as centers and radius of half the…

"A hive largely and successfully used in Scotland, it is octagonal, and the "Quinby hive" of America…

This sign indicates that vehicles must come to a complete stop. It is to be installed at the right side…

This sign indicates that vehicles must come to a complete stop. It is to be installed at the right side…

This sign indicates that vehicles must come to a complete stop. It is to be installed at the right side…