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 51
Fig. 42a. — Parquet Flooring. 51. In Fig. 42 ABCD is a square; E, F, G, H, the middle points of the sides;AK = BP = BQ = CL = CM, etc.; and points are joined as shown. EXERCISES 1. Prove that: (1) KL is parallel to AC; (2) KLMN is arectangle; (3) XYZW is a square; (4) KL is parallel to EF;(5)…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.