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 87
that A YZW is a, square with vertices on the diagonalsof the given square. Suggestion. — Prove that A 0 is the perpendicular bisector of SP■ and tljat A.S = XP. Therefore X lies on AO. 4. Prove that .4EPA, PFBY, BGQYare congruent rhombuses. 5. If AB = a, find the length of AE and EF. Ans.… … 83. In Fig. 67 ABCD isa square with diagonals ACand BD.
Geometry · Decoration and ornament
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