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 95
section,the two eight-poiuted stars are very common in medievalmosaics, as in the Duomo de Monreale,i the church of SanLorenzo,^ churches at Ravenna,^ and elsewhere.* THE THREE-EIGHTHS STAR 93. The I star is formed by joining every third vertexof the octagon. When inscribed in a given square, it… … A Linoleum Design. A E U F B Fig, 74a. 94. In Fig. 74 ABCD is a square. AE = BF = CH, etc. Points If and G,F and K, etc., are joined; also points E and H, F and M, etc. EXERCISES 1. Prove that (a) MW and ZL are equal and parallel; (J) PLand KS are equal and parallel; (c) LZ, KZ, and VO are…
Geometry · Decoration and ornament
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