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 76
gles are similar : (a) EEC, ELB, ELY, and EUN. (e) 50Fand BHD. (b) BLZ, EST, and BXO. (/) -BE2 and A TB.{c) EYZ imA EUC. (g) BYZ and BHT.(d) YLZ, YMB, and BFP. (h) BYF and .BffC. 6. Show that if AB = a, (a)EC = ^V5. (c)i£ = 2V5. (e)0Z = ^V2. (5f)Zi = ^V5. (b)EL=^Vl. id)LY = ^^Vl.if)ZB=l^.… … AG H B Fig. 60. — Parquet Flooring. 64 PARQUET FLOOR DESIGNS EXERCISES 1. Prove that A FGO, HKO, etc., also A GHO, KLO, etc. are con-gruent and isosceles. 2. Show that the ratio of the area of A OGH to that of A OAB isas GH to AB. 3. Construct a figure in which the sum of the areas of A GHO,KLO,…
Geometry · Decoration and ornament
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