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# Title: Ioachimi Iungii Philos. ac Medic. D. & Gymnasii Hamburgensis Rectoris Geometria Empirica (shelfmarks Leibn. Marg. 9a; ZEN Leibn. Marg. 9a)
# Folio 18, page id 73061350X:0026
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1t:  .
e
Alcerum reliquorum (praeter AC)lacerum. V. 0. ABBe.
secerur in D; perD ducarur DB, Parallela ips AC; hacan-
gulusC AF aequalis angulo daro X, ica ur At iplam DB sccCE
InC. Relecetur ex DF recta CtB aequalis ipsi AC, ita uE
puneta FI. Ccadanein eandem plagam rectae AC. Denique
dueta rectaCFI, eric parallelogramum desideratum ACIIC.
C OrOII. Licet itaque sex paralleloeramma inter se tum aequiangula,
cum aequalia construere; sinimirum uni eidemque trianguloterna secun-
dum proxinse praecedens problema, terna secundum hoc problema aequa-
lia construantur; in uno eodemque ancuto.
25. Dato criangulo BAC aliudtriangulum aequale
construere, quodunum angulum, unitriansulidarian-
rulo, V. 8 ipsBAC, aequalem habcac, ee adjacensisti
angulolatus alterum aquale rectae datae X.
Alacerum, designatoansulo Ba C. adjacentium alterueros
r. Z. AB, vel terminaco, vel ulera lacus anguloB AC oppolin
cum, nimirum BC producto; re sccecur ipl Laequalis recta
AD. Ducacur recta CD, ciq paralleta per Bagacur, nimirio
BE, quae lacus AC (sire cerminatum sire productum) secerin
E, ec jungacur DE; cric erian gulum DAF id quod quaeritur.
16. Dato parallelogrammo ABCD, criangulum
iplxquale, X a quealtum construere, cujus ansulusee.
gualissicangulo datoL.
EX AB larere, producto perB, relecerur BF aequalisipsI
BAs angulus aucem E AFxqualis construarur ansulo daco
Zita uc ducta AF iplam DC, ubi opus elt, productam (ccce
in G. Ducta GF, erit AC. F criangulum quod quaeritur.
17. Dato Paralleloorammo ABCD, super laterce.
us AB, uc bal, triangulum ipsi aequase construere, cu.
jus ansulorum unusx quetur an sulo dato L.
Fx latere AD per D productos relecerur DB, aequalis ipl
DA. Per E ducaturreCta FF, parallela ipM AB. tacq; anguluS
B. LCaqualisdaco anruloX, itaur ducta AC iplam PF sCCCE
in FI. Ducta BFI crierriansulum AfIB, id quod quaeritur.
28. I 27