Illustration of 128 congruent cubes stacked so they form a rectangular solid that measures 4 by 4 by…

Illustration of the intersection of a quadrangular prism and an octagonal prism. The figures intersect…

Illustration of the development of a rectangular prism. "Assume now that the prism is laid on the drawing…

Illustration of the projection of a rectangular prism that is represented as if it were standing on…

Illustration of a 5 in. by 3 in. by 4 in. rectangular solid with each cube in the solid representing…

Illustration of a 1 in. by 2 in. by 1 in. rectangular solid that is similar to a 2 in. by 4 in. by 2…

Illustration of the projection of a wedge of a rectangular prism that is standing on one of its triangular…

Illustration of the projection of a wedge of a rectangular prism that is standing on one of its rectangular…

Illustration of the projection of a wedge of a rectangular prism that is viewed from the side.