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Preclarissimũ opus elemento[rum]

Euclid, Adelard, of Bath, ca. 1116-1142, Campano, da Novara, d. 1296, Hypsicles · Venetijs : Erhardus Ratdolt ... · leaf 45

An illustration from Preclarissimũ opus elemento[rum], leaf 45
nultimam partem buius.non tamcn pcr equalc.£um cnim omnis po:tio circuli fit fcmicirculus aut maio: fcmicirculo.aut minor.fif autcm tam angulus fcmicirculi pcr pjimam par/ tcm. i j.qua angulus po:tionis mino:is pcr vkima partc buius mino: rccto. po:/ tionis vcro maiojis fit maio: recto .z \h 116… … patct q. ifta oemonftrationc. 1(b20pofitio .}l. 3f circulum linea recta contingat 1 3 eontactu in circultim quedam circulum fecansrcctaiineap:eter ceniruni Ou / catur quofcunq? ouos angulos cum contingcte facit.ouo bus angulis quimattcrnatis circuli fuper arcus conft/ Ifvunt po«ionibns:equales…

Mathematics, Greek · Geometry

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