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 167
l AEOD. Ans. -(Vl-l). 6. If AB = a, find the area bounded by EHD and the tangentsEAsiuAAD. ^ns.—(8V2-8-97r + 6irV2). 7. If CA = a, find the area of circle 0. Ans. ^(3_2V2). 8. If AC = a, find the area of (1) the quadrilateral AEOD; (2) the figure bounded by EGF and the tangents CE and CF; (3) the… … EXERCISES 165. 1. In Fig. 133 circles E and F are inscribed in the isoscelesright triangles ADC and ABC. Show that arcs HG and MN can bedrawn tangent to the circles as indicated. 2. Prove that EHC, FGC, etc., are straight lines. ROUNDED TREFOILS 155 3. If AB = a, find (1) the area of circle E; (2)…
Geometry · Decoration and ornament
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