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 19
nequals, the remainders are unequal. VI.Things which are doubles of the same thing, are equal to one another. VII.Things which are halves of the same thing, are equal to one another. VIII.Magnitudes which coincide with one another, that is, which exactlyfill the same space, are equal to one… … PROPOSITION I. PROBLEM. To describe an equilateral triangle upoa a given finitestraight line. Let AB b3 the s^iven straij^lit line: it is required to tleseribe anpquiltiteritl triaiiajle upon it. From the centre A, at thedistance ABj describe (3. Pos-Uiliite) the circle BCI), andfrom the centre B,…
Euclid's Elements · Geometry · Trigonometry
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