A source book of problems for geometry, based upon industrial design and architectural ornament (1912)
Sykes, Mabel, 1868-, Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- · Boston, Allyn and Bacon · leaf 191
Venice, is made up of eight-foiled figures.* Note. — In constructing many of these figures it is evident that sincecertain regular polygons, such as the 7-sided, 9-sided, 11-sided,13-sided, etc., polygons cannot be constructed by the instruments or-dinarily admitted in geometric construction, in…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
