Apollonius, of Perga · Venetiis : Apud Bernardum Iuntam · leaf 92
34 VARIORV M PROZLXE«s4 culi infiflerint , duplus autem, fuerit ad centrum , alter ad circumferentiam erit . … FC, erir igiturangalus GDF adcentrum, duplis anguli GCF ad circumferentiam , fed du- plus e(t & anguli GBF ex hyporhefi, ergo angulns GBF angu- lo GCF zqualis erit, externus interno; quod cftabíurdum: an- gulusigitar GDF aoneít intracirculum. Deinde fitangulus GBF ex- B tra cirenjum, ipfum igitur…
Mathematics, Greek · Geometry -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
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