"A strange triangular bridge at Croyland was probably built for or by a religious body. This structure…

A flashcard featuring an illustration of a Pyramid with a Triangular Base

The frustum of a triangular pyramid is equivalent to the sum of three pyramids whose common altitude…

The triangular panel is found at the stall of the Laurentian Library in Florence, Italy. It was ascribed…

The triangular panel is found at the stall of the Laurentian Library in Florence, Italy. It was ascribed…

The triangular panel is found at the stall of the Laurentian Library in Florence, Italy. It was ascribed…

Illustration of a parallelopiped with a plane passing through two diagonally opposite edges. The plane…

Illustration of a parallelopiped with a plane passing through two diagonally opposite edges. The plane…

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

Illustration of a right rectangular pyramid with hidden edges shown. The base is a rectangle and the…

An illustration of two pyramids. A pyramid is a building where the upper surfaces are triangular and…

"Showing how the Bones of the Skull may be artificially deformed by "head-binding." From the photograph…