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 79
ircle being given, the circle is described of which itis a segment. Which was to be done. PROP. XXVI. THEOR. In equal circles, equal angles stand upon equal arches,whether they be at the centres or circumferences. Let ABC, DEF be equal circles, and the equal angles BGC.EHFat their centres, and BAC,…
Euclid's Elements · Geometry · Trigonometry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
