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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IO. BAPT. BENED.
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0382
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e
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tiam collectus cum angulo
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grad .15. hi tres anguli efficient angulum
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d.</
var
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ctum grad .108. min .22.</
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quam quidem
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cognoſcemus vt ſinus anguli
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>
gra .45. nam
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angulus ei contrapoſitus
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eſt dimidium recti, </
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erit partium .70710.
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talium qualium
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>
fuerit .100000. ſed
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var
>
eſt partium .115270. qualium
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var
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var
>
eſt
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num
value
="
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100000.</
num
>
nam
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var
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>
vt ſinus anguli
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var
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>
gra .63. min .22. eſt partium .89389.
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var
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var
>
ve-
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lb
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ro eſt partium .50000. talium qualium
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>
eſt .100000. vt ſinus anguli
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gra .30.
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ſed vt
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eſt
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.51762. </
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eſt .100000. ipſa
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erit
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type
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.25881
<
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quæ iuncta cum fuerit cum
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var
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>
efficiet
<
var
>.d.o.</
var
>
partium .115270. vt dictum eſt, quapro-
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lb
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pter cum
<
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>
ſit partium .70710. talium qualium
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>
fuerit .100000. ipſa
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var
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>
erit
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partium .81507. talium qualium
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erit .115270. ideſt qualium
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var
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vel
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var
>
erit
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100000. quæ quidem
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var
>
eſt ſinus anguli
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>
graduum ſcilicet .54. 36. cuius du-
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plum erit gra .109. mi .12. debebattamen eſſe .108.
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.</
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gra .26.
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min .38. vt ſupra, cui applica angu-
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lum
<
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>
gra .45. min
<
var
>.o.</
var
>
ſimul cum
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lb
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angulo
<
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>.u.d.n.</
var
>
reſiduo ex recto gra
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lb
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duum .35. minu .24. & conficies an-
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gulum
<
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>
grad .107. minu .2. &
<
lb
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habebis propoſitum, quem tamen
<
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oportebat eſſe gra .108. min
<
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.</
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tata ſint, ex ſumma omnium angulo
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rum patere poteſt. </
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nibus quinque angulis
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>
ſi-
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mul, hoc eſt grad .108. minu .22. cum
<
lb
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gra .107. min .2. cum grad .12. effi-
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lb
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cient grad .540. min
<
var
>.o.</
var
>
ſumma æqua
<
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lis ſex angulis rectis.</
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