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 86
entpositions in the given square. FIRST POSITION OF THE OCTAGON 80. In Figs. 65 to 70 the octagon is shown with all ofits vertices located on the sides of the square. When it isregular, they are determined by using the vertices of thegiven square as centers and the half diagonal as radius.Figures… … I^^^^P ■■.^h.-l^? ■v.- ^M 1 -,; >Slt?!»Vj5l^-^i ^S : .. ■*j^^*Vv^^4*T%^^-i^92^ij**-jVi- S^v : ?it ■■•Si.i.fet:4>*»™™ *^#-:- ■:*>?$>- ■$- 1 $^ E a- if :?i•^■^ ^^^ ^;p 1■■■■ •M^?w-i St Fig, 66a. — Mosaic Flooring. After the Roman.Barre, Vol, V, 6 Series, PI. 3. 82. In Fig. 66 ABCD is a square. EFGHKL…
Geometry · Decoration and ornament
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