Clavius, Christoph
,
Geometria practica
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LIBER PRIMVS.
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Ex tribus omnibus lateribus perueſtigare.</
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rectil.</
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pendicularis ſemper intratriangulum cadat) inueniantur per problema 9. </
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@aximi lateris facta à perpendiculari. </
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Vt minimum \\ lat{us} # ad ſinum \\ totum: # ita min{us} ſegmen- \\ tum maximi late- \\ ris # ad ſinum complementi \\ anguli medi@ lateri \\ oppoſiti.
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rectil.</
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Vt me- \\ dium \\ lat{us} # ad ſinum \\ totum: # ita mai{us} ſegmen- \\ tum maximi la- \\ teris # ad ſinum complementi angu- \\ li medio lateri oppoſiti.
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rectil.</
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opponuntur; </
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gulus lateri maximo oppoſitus.</
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lib. 1. Eucl.</
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Vt alterum \\ laterum æ- \\ qualium # ad ſinum \\ totum: # ita ſemiſſis \\ baſis # ad ſinum complementi vni{us} \\ angulorum æqualium ad ba- \\ ſem.
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cta, reliquum faciet tertium angulum.</
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æquilatero triangulo dabuntur anguli, etiamſi latera non dentur, e
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um
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quilibet gradus 60. </
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partes vnius recti, complectatur.</
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quodcunque ex angulo oppoſito cadentem.
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Ex tribus omnibus lateribus efficere notam.</
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rentia inter vtrumuis ſegmentum, & </
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menti, & </
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rem quæſitam indicabit.</
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dicularis A D. </
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tum B D, 6. </
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A B, eſt 4. </
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& </
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perpendicularem A D. </
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ctatis triangulorum rectilineorum demonſtratum
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non est, demonſtro hoc propoſito Theoremate.</
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