Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 71
TO ELEMENTS wore points than one, anfl first on the inside, in the points B, D jjoinBD, and draw (10. 11. 1.) f-H, l>i?eetingBD al right angle-: Ihere-fore because the points B, D are iu the circumterence of each of the H D C
Euclid's Elements · Geometry · Trigonometry
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