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 286
g- 7 Ans.k = l Suggestion. — Solve the equation - . = £.. 6 6 i +1 6 9. liAQ = kAB = ks, find the radius of circle O.Suggestion. — This involves the equation, where p is the radius of circle 0 or - • . 6 6^ + 1 TANGENT CIRCLES: ALQEBBAIC ANALYSIS 273 10. If AQ = kAB--ks and the radius of the arcs… … 289. Type II. Figures 243-247 and 260 furnish illus-trations of this type, the formula for which is obtained in Ex. 4 below. c In Fig. 243 AQ = BP = f AB, Pand Q are the centers for the arcsCB and AC, respectiTely. AR = RS= SB. RN = BN=|RB. N andS are centers for the arcs RF andBF. Arch AES is…
Geometry · Decoration and ornament
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