Apollonius, of Perga · Venetiis : Apud Bernardum Iuntam · leaf 104
ectangulo A B C, quod erat demonftrandum. Problema X X. D^ T A differentia laterum trianguli angulum re&lum ambientibus, dataque perpendiculari , inuenire trán-. gulumo. — | Sit data differentialaterum trianguli angulum re&um am- bientibus A B, data quoque perpendicularis B C. Oportet in-… … igirur parallelogrammum eft HILF,erit LL perpendicula- ristrianguli IAD,zqualis HF : hoc eft ipfi CB,eft autem & an« gulus A ID intemicirculo re&us; (upereft igitur vt A K diffe- rentialaterum IA, I Dzquetur ipfi A B, id autem ita fir mani- fcitum. Quoniam enim laterumIA, ID differentia eft A K ,…
Mathematics, Greek · Geometry -- Early works to 1800
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