Clavius, Christoph, Geometria practica

Table of contents

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[51.] COROLLARIVM I.
[52.] COROLLARIVM II.
[53.] PROBLEMA II.
[54.] 2. ITEM ſi fiat.
[55.] ALITER.
[56.] Ergo ſi fiat,
[57.] Si igitur fiat.
[58.] COROLLARIVM I.
[59.] COROLLARIVM II.
[60.] PROBLEMA III.
[61.] ALITER.
[62.] PROBLEMA IV.
[63.] ALITER.
[64.] ALITER.
[65.] COROLLARIVM.
[66.] VEL PER SOLOS SINVS.
[67.] PROBLEMA V.
[68.] ALITER.
[69.] PROBLEMA VI.
[70.] PROBLEMA VII.
[71.] PROBLEMA VIII.
[72.] PROBLEMA IX.
[73.] ALITER
[74.] ALITER
[75.] PROBLEMA X.
[76.] PROBLEMA XI.
[77.] PROBLEMA XII.
[78.] PROBLEMA XIII.
[79.] PROBLEMA XIV.
[80.] PROBLEMA XV.
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1. Sit altitudo A B, locus menſoris C, diſtantia CB, incognita: baſis B, non
appareat
, &
à loco C, non liceat accedere ad A B, nequerecedere, vt duæ ſta-
tiones
fiantin plano.
Erigatur haſta C E, ſi non præſtò ſit turris aliqua C O, &
ſtatura
menſoris ſit CD.
Sumpta deinde portione haſtæ D E, notarum partium,
concipiantur
ductæ DM, EN, ipſi CB, pa-
39[Figure 39] rallelæ, obſeruenturq;
per Quadrantem
anguli
ADM, AEN.
Sumptis quoq; rectis
æqualibus
EF, DG, pro ſinubus totis, eri-
gantur
perpendiculares FH, GI, pro Tã-
gentibus
angulorum obſeruationũ.
Sum
pta
item A L, æqualiipſi D E, ducaturre-
cta
D L, quæ parallela erit ipſi E A, 2233. primi. bitq;
GI, in K. Quoniam vero 3329. primi. DKG, angulo DLB, & hic angulo EAB,
&
hic angulo EHF, æqualis eſt; erit angu-
lus
DKG, angulo EHF, æqualis:
Eſt au-
tem
&
rectus G, recto F, æqualis, & latus
DG
, lateri EF, æquale;
erunt quoq; 4426. primi. ra GK, FH, æqualia, & anguli D, E, æqua-
les
:
ideoq; IK, differentia erit inter Tan-
gentes
GI, GK, angulorum GDI, GDK,
ſiue
F E H.
Et quia eſt, vt I K, ad K G. ita A L, ad L M; erit per contrariam compoſitionem à nobis in ſcholio propoſ. 18.
55ſchol. 4. ſe-
xti
.
lib.
5. demonſtratam, ita quo que IK, ad IG, vt AL, hoc eſt, vt ED, differentia ſta-
tionum
, ad altitudinem AM.
# Igitur ſi fiat,
66
Vt
I K, differen- \\ tia Tangentium # ad I G, Tangen- \\ te maiorem: # Ita AL, vel ED, differen- \\ tia ſtationum # Ad A M, alti- \\ tudinem,
774. ſexti.88
Vt
G I, ſi- \\ n{us} tot{us} # ad G D, Tangentem complementi ma- \\ ioris anguli obſeruationis: # Ita altitudo in- \\ uenta A M, # ad M D, di- \\ ſtantiam,
2. Per ſolos ſinus idem problema conficiemus, ſi prius inueſtigetur hy-
9910. Triang.
rectil
.
potenuſa AD, hoc modo.
Fiat,

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