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 57
sceles triangle, and if AF = BG and FX andG Y are parallel to OB and 0/1, respectively, then A K is parallel to A B. 2. If ^fi = a and AF=h, find the area of FGYX when ^05 is 2 ah-3 7(2 a right triangle. Ans. 3. If ABO is a right triangle, find points F and G so that ifFX and GP are drawn parallel…
Geometry · Decoration and ornament
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-111-288.webp)
