Apollonius, of Perga · Venetiis : Apud Bernardum Iuntam · leaf 91
llum DGitranfibit per D: de- fcribatur, erit igitar angulus A D Gad centrum,;duplus anguli .B ad Circumferentiam, fed datur LA angulus A DG, ergo dabitur & angulus B. & S EAST: A u ergo * € DG pofitione erit , fe Te P inipfam PGà dato puncto A dua- 29. Dat. Y &a éft AG magnitudine data, er- go… … circulus, & fiat angulus ABG «qualis dimidio anguli C, ex an- tecedente igitur Lemmate, recta DG incidet incicculum fub A centro defcriptum, incidat in G, € iungatur AG, & fiatangu- lo B zqualisangulus BGD , erit igitur DG equalis D B , addita communi AD,compofita ex AD , DG, erit equalis AB. Cen-…
Mathematics, Greek · Geometry -- Early works to 1800
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