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 17
nd DG = J DA. EXERCISES X Fig. 3. 1. Show how to construct the isosceles right ti-iangles with CEand DG as hypothenuses. 2. Find CF and DH and the areas of the triangles CEF and DGH. Ans. Sides, ^2,1-^/2; Areas, 1, jV 3. If CF is iV2 in., find the ratio of CE to CD. Ans. i. 4. If CF = a, find the… … 6. InFig. 4ABCDTeiire5entsasix-iiichsquare. E, F, G, and H are the middlepoints of the sides. The points are joinedas indicated. EXERCISES 1. Prove that (a) KL = LO and PS extended will bisect GN; (b) GKLM is a rectangle; (c) Square GKON^ PQRS, and in area equals i A DOC; (d) The area of rectangle…
Geometry · Decoration and ornament
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