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 97
f square XYZW. Ans.(l) ^(n-2)^ (2) 2a2 10. If the squares PQRS and XYZ W are equal in area, find the value of n when AB = a, AE = -. n o f» — 2^^Suggestion. — Use the equation — = i ^ Ans. n = 2 + V2. 84 MISCELLANEOUS INDUSTBIES 11. Di-aw a diagram to illustrate tliis case. 12. If OB = BE, find the… … .1 ^ B P Fig. 75. —Gayet, Vol III, Ravenna, PI. 10. 95. Figure 75 is the drawing which shows the construction of the tile designgiven in Fig. Iba. In Fig. 75 the octagon ABODE etc. is regular. EXERCISES 1. If one side of the rhombus-shaped tile OMDL is ^V2, find thelength of one side of the octagon…
Geometry · Decoration and ornament
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