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 88
Fig. 68. 84. In Fig. 68 ABCD isa square, AR = VB = BU,etc., and the points are joinedas indicated. … Fig. 68a. —Linoleum Design. EXERCISES 1. Prove that TREN and VUGF are congruent squares. 2. If EFG/^X etc. isaregularootagon, prove tliat(l) OE:EF:FP:: 1 : V2 : 1, and (2) AR: RV: VB :-.l-.^+yJ^ : 1. 3. Construct Fig. 68 in a given square so that EFGHK etc. is aregular octagon. 4. If AB = a, find…
Geometry · Decoration and ornament
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