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 164
be sueh a space that the square of AD is to the square of GL as thecircle ABD to the space Q. Because the polygons ABCDEF andGHKLMN are equilateral and of the same number of sides, they aresimilar (2. 1. Sup.), and their areas are as the squares of the diame-ters of. the circles in which they are…
Euclid's Elements · Geometry · Trigonometry
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