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 67
Fig. 53a, — Dutch Tile Design, 64. In Fig. 53, ABCD is a square. E and G are the middle points of ABand CD, respectively, and the points are joined as shown. EXERCISES 1. Prove that EFGH is a rhombus. 2. If AB = 6, find the length of EC. 3. Prove that A EBF and BCF are equal in area. Find this…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Mystic Masonry, or, the Symbols of Freemasonry and Greater Mysteries of Antiquity (1911) [Supplemental Harmonic Series] (1911)](https://img.insideoutlibrary.com/img/200/ia-mysticmasonryors00buck-300-8.webp)
