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 181
o : the plane which passesthrough the first two is parallel to the plane passing throughthe others. Let AB, BC, two straight lines meeting one another, be parallelto DE, EF that meet one unolher, but are not in the same plane withAB, BC: The planes through AB, BC, and DE,EF shall not meet,though… … OF GEOMETRY. BOOK II. ISl
Euclid's Elements · Geometry · Trigonometry
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