Development of Rectangle Pyramid Small 320×176 Medium 640×351 Large 1024×562 Download Tiff Original 2400×1317 | (165.8 KB) Description The development, or unfolded prism, of the rectangular pyramid. The sides of the prism is joined at point E for reference, and the shape of the sides are by using the reference point. Keywords Broken Down Pyramid, Development, geometric shapes, geometry, Rectangle Development, Rectangle Pyramid Development, rolled out pyramid Galleries Geometric Constructions Source: Anthony, Gardner C. Elements of Mechanical Drawing (Boston, MA: D. C. Heath & Co., 1904)