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 221
EXERCISES226. 1. Give the construction for Fig. 185. 2. Inscribe Fig. 185 in a given circle. See Fig.1850 3. In Fig. 185a if AO = r, find theareas of the curved figures: (1) ABC;(2) ADE; (3) AHBKA; (4) AKBDA;(5) EBF. Am. (1) §l!(^-v^); (3) L\3Va-,r); (2) ^(T-VS); (4) ^(2,r-3V3);(5)^(2V3-^). … Fig. 185ft. — From CarlisleCathedral. 4. Construct the three figures AED, DBF, CEF in a given circle. FORMS BASED ON EQUILATERAL TRIANGLES 209O
Geometry · Decoration and ornament
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