Benedetti, Giovanni Battista de, Io. Baptistae Benedicti ... Diversarvm specvlationvm mathematicarum, et physicarum liber : quarum seriem sequens pagina indicabit ; [annotated and critiqued by Guidobaldo Del Monte]
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EPISTOLAE
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                  lelogrammum
                    <var>.Z.</var>
                  deinde fiant alia duo parallelogramma rectangula quorum vnum
                    <lb/>
                  ſit ex
                    <var>.q.a.</var>
                  in
                    <var>.b.d.</var>
                  reliquum verò ſit ex
                    <var>.q.b.</var>
                  in
                    <var>.a.d.</var>
                  quæ quidem ſint
                    <var>.f.m</var>
                  .</s>
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                  <s xml:id="echoid-s2678" xml:space="preserve">Quo facto deſignetur rectangulum
                    <var>.u.t.</var>
                  ex .25. ſexti, quod æquale ſit duobus re-
                    <lb/>
                  ctangulis
                    <var>.f.</var>
                  et
                    <var>.m.</var>
                  ſimile tamen
                    <var>.Z.</var>
                  cuius rectanguli vnum latus correſpondet
                    <var>.e.g.</var>
                  reli-
                    <lb/>
                  quum verò
                    <var>.K.h.</var>
                  in proportione, ſed in æqualitate, vnum correſpondet
                    <var>.q.d.</var>
                    <reg norm="reliquum" type="context">reliquũ</reg>
                    <lb/>
                  vero
                    <var>.a.b.</var>
                  diametris ipſius quadrilateri.</s>
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                  <s xml:id="echoid-s2679" xml:space="preserve">Accipiatur nunc latus illud quod correſpondet
                    <var>.K.h.</var>
                  hoc eſt ipſi
                    <var>.a.b.</var>
                  maius ſcili-
                    <lb/>
                  cet, & ſimul cum
                    <var>.b.d.</var>
                  et
                    <var>.a.d.</var>
                  formetur
                    <reg norm="triangulum" type="context context">triãgulũ</reg>
                    <var>.a.b.d.</var>
                  ex .22. primi Eucli. circa quod
                    <lb/>
                  circunſcribatur circulus ex .5. quarti. </s>
                  <s xml:id="echoid-s2680" xml:space="preserve">& inuentum erit quod quęrebamus.</s>
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