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
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^. … Fig. 154. — From Gothic Woodcarving. Brochure Series, 1900, p. 113, ROUNDED MULTIFOILS 177 EXERCISES188. !• Construct Fig. 154 -within a given square. 2. If AB =a, find the length of XR and OP. Ans. (1) ^(V2 - 1) ; (2) a(V2- 1). 3. If ^B = a, find the area of the oval KL and of the…
Geometry · Decoration and ornament
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