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 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…