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 138
a, find the area ofthe triangular space inclosed by the three semicircles. Ans. gg (2v3 — tt). 8. If AB = a and the semicircles with centers F and H are tangent,find the area of space inclosed by lines NB and BP and the two arcs PFand NX. Ans. jg (3 VB-t). 9. Upon PR = J BZ) as a chord construct a…
Geometry · Decoration and ornament
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