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 271
Fig. 231. Fig. 231a. — From Lincoln Cathedral,England. EXERCISES 277. 1. Construct Fig. 231. Suggestion. — This figure involves Fig. 230. TANGENT CIRCLES: ALGEBRAIC ANALYSIS 259 2. If AB= s, find (1) the radii of circles O, 0, and 0, and (2) thealtitudes of arches ASF, A ED, and ACB. Ans. (1)…
Geometry · Decoration and ornament
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