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 189
A B Fig. 153. — From Old Roman Pavement atBrescia. Gruner, PI. 27. … Fig. 153a.— Mosaic Floor Design. EXERCISES 187. 1. Given the square ABCD, to construct the ornamentalfigure indicated in Fig. 153. 2. If AB = a, find the area of the curved figures (1) ORQPNMLKand (2) OSQPNMLH. Ans. (1) ^(8 - tt) ; (2) 5^.
Geometry · Decoration and ornament
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