Gnomon (figure)

For the part of a sundial and history, see Gnomon. For other uses, see Gnomon (disambiguation).
A gnomon

In geometry, a gnomon is a plane figure formed by removing a similar parallelogram from a corner of a larger parallelogram; or, more generally, a figure that, added to a given figure, makes a larger figure of the same shape.[1]

  1. ^ Gazalé, Midhat J. (1999), "Gnomon: From Pharaohs to Fractals", European Journal of Physics, 20 (6), Princeton University Press: 523, Bibcode:1999EJPh...20..523G, doi:10.1088/0143-0807/20/6/501, ISBN 9780691005140.