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 196
1. Fig. I6la. — From Monks Church,St. Louis. EXERCISES 197. 1- Construct within a given circle a ring of eight tangentcircles, so placed that each circle is tangent to the given circle and totwo small circles. See Fig. 161. 2. Show that the lines joining their centers form a regular octagon. 3.… … Fig. 162, — From Wheel Window. Fig. 162a. — Leaded Glass Design. Cathedral of Chartres, France. 198. Figure 162 shows one quarter of a wheel window which is composedof two rings of tangent circles. The outer ring is composed of circles tangentto the inclosing circle. Each .circle of the inner ring…
Geometry · Decoration and ornament
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