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 177
area of the quadrifoil is s, find AB. Ans. 2(1 + ^2) sj- 37r + 49. If the area of the cusped figure HPE is s, find AB. 10. If a circle is inscribed in the square X YZ W, find the area ofthe oval PQ and of the cusped figure bounded by PEQ and PQ,.Let AB = a. Ans. (1) |(3-2V2) (,r - 2) ; (2) | (3 - 2… … a: £ i Fig. 141.
Geometry · Decoration and ornament
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