Huygens, Christiaan
,
Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica
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DE CIRCULI MAGNIT. INVENTA.
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R B ad S, quam R C ad E K. </
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arcu E C. </
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R C ad æqualem arcui E C, quam R C ad E K. </
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<
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tem R C ad arcum E C, ita eſt perimeter polygoni B C D L,
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R C ad E K, ita perimeter polygoni B C D L ad perime-
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trum polygoni H K M N, hoc eſt, ita Z ad T. </
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<
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xml:space
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jor quoque triplicata ratio Z ad circumferentiam totam B D,
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quam Z ad T. </
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xml:space
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rationi Z ad T. </
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xml:space
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circumferentiam, quam Z ad X. </
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minor quam recta X. </
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Z & </
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inſcripti & </
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circuli circumferentiam conſtat ex præcedentibus. </
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ſecundum proportionem Geometricam.</
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circulo B D majus eſſe. </
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meter ad perimetrum: </
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ad polyg. </
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T, hoc eſt, eam quam X ad T. </
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H K M N ad circulum B D, ita eſt perimeter ipſius poly-
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niam polygonum æquale eſt triangulo baſin habenti perime-
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tro ſuæ æqualem & </
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tiæ æquetur. </
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major oſtenſa quam B D circumferentia. </
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num Y majus erit circulo B D. </
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