Pyramids

thumb|Pyramid of Khafre, Egypt, built A pyramid (, from the Egyptian , the vertical height of the structure) is a structure whose visible surfaces are triangular in broad outline and converge toward the top, making the appearance roughly a pyramid in the geometric sense. The base of a pyramid can be of any polygon shape, such as triangular or quadrilateral, and its surface-lines either filled or stepped.

geometrical shape

architectural structure that uses flat platforms or steps to form geometric pyramid

pyramidal number

cartoon critique against capitalism

Acrobatic formation

French architect