Tartaglia, Niccolò
,
La nova scientia de Nicolo Tartaglia : con una gionta al terzo libro
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31 - 37
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[31] N M C D A B
Page: 54
[32] A M K N E G F D C
Page: 57
[33] A H N K N I E G F D C B
Page: 59
[34] A N T P F D C B
Page: 61
[Figure 35]
Page: 65
[36] A E B G K H C F DL O N P M
Page: 69
[37] F G E B L H I C D E B C A D
Page: 71
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A C
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<
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alla circonferentia, tal proportione hauer a tutta la circon
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ferentia del cerchio ‡ líarco che interchiuden le dette due
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linee qual hauera quatro angoli retti a langolo contenuto
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dalle dette due linee ſopra il centro.</
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<
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<
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ſian protratte le due linee.</
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<
s
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ta la circonferentia del detto cerchio a larcho.</
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dette due linee qual ha quattro angoli rctti, ‡ langolo.</
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protraro vna delle dette linee fina alla circonferentia & ſia.</
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onde(per la vltima dil ſeſto de Euclide)la proportione de líarco.</
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co.</
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Euclide)il congionto delli detti dui archi.</
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a.</
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líangolo.</
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<
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to il cerchio, & il congiunto delli dui angoli.</
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tertia del primo de Euclide)è eguale a dui angoli retti ſeguita adoque che
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ſi come è la mita della circonſerẽtia del detto cerchio al detto arco.</
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ſara dui angoli rettia líangolo.</
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cerchio alla mitade di quella (cioe alíarco.</
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<
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retti, a due angoli retti, donque (per la uiceſimaſeconda del quinto de Eucli
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de) ſi come tutta la circonferentia del detto cerchio a líarco.</
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quatro angoli retti a líangolo.</
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