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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 37, page id 73061350X:0045
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a
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16. Diio polygono ordinato ABC aequalerectari
lum consciiere,
Jurenco cenero polygoniD, ducatur ex eo recta, latus ip
Cum perpendiculariter bilecans, munirum DF. Fiacrectari
vulum FCs FII, cujus unum lacus FOcories menturetur à
milarere dati polysoni AE, quortuncipsiuspolrsonie
ra, alcerum vero rectan sulilacus FB, aequale licipli pelven-
diculari DE: CritFFRid, Quod quaeritur.
17. Duorectilinca ordinata ilopeximetra constrnerE.
Si communis aliqua menlura latus ueriusqs meriatur se-
cundum numerum lacerum alcerius, cruneperimerri iplo
rum aequales, r. 8. conttruenda line iloperimetra neptago-
num, ex pencasonum; alsumpra aliqua communismetura
concincatur in lacere pentaz oni sepeies, in lacere heptasonii
ouinguies; continebicur ea in ueriusque perimetro 35 rici
bussideoc; perimeerierunc aequales.
28. Dato ordinato poly sono circulu circumleribexe.
Elisantur cres ejus apices (non adeo sibiinricem proxin-
Juis ucsccurior hCoperacio) descripra per eosperipheria
eransibit per reliquos.
Alicer, exinrenco polysoni cenero per apices describa
eux peripheria.
19. Daro ordinato polrgono circulum inscriberen
Invento ccncro Bolrgoni, ex perpendiculari o centroin
dacus; ccenero polygoni inerrallo dietae perpendicularis
deleribatur peripheria.
.
in
aL
0
Unis recta per cencrum circulieransiens, peripheria.
perpendicularic ett. de conera.
RectaCD cho
cans, etiam arcump
3. RECtA ABCCCNETO
Ecripeam C. D, caridem
us AB perpendicularirer bise
ularirer bilecat; e contro.
adicularis in chordam sivein-
-Cat; PFCOMITa.
4. Fomocenitae peripherix undiqiincerse
aeL:.
ut 1. 66