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# Title: Qua Continentur De Angulo Contactus & Semicirculi, Disquisitio Geometrica. De Sectionibus Conicis Tractatus. Arithmetica Infinitorum: sive de Curvilineorum quadraturâ, &c. Eclipseos Solaris Observatio (shelfmark Leibn. Marg. 84:2)
# Folio 33, page id 824573315:0117
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# Lines: 23 recognised, mean confidence 0.88
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De decionions coniciso
DR OF. 140
Biamecris proportionalia lide velo in ca-
rundem ratione duplicata.
Sune enim Ouadrata DO aequolia Rcctaneulis BD, DS,
(Per PrOP. 7.) Ducta verorecta SFF, ipli AF parallela, e con
Tinatis rectis EDS ad F. erunt abiq: reCtR DS  DF = FS. PC
Rcctargula IP= DS - PBADF =ED LFS. SunC auCeM (prePTer
aequa les rectaS DF, Rectangula BD  L F, rectis PD provortion
nalia, idcog: _ rectis D A diametris incerceoris (propcer similia
rrianeula ADB.) R. carouta veio IDatS Cquoniam cam
PD quam FC rectae sune rictio DA preporcicnelES) lunc in du-
plicara racione diem ecrorum incercepearum DA. Cum 10i.
Dicur sicubiq; DOg- (LDnDS=) EDFDF =BDAES; cCn-
Atac propoluum.
P R O P, ZIV.
De Elliprico Pyramiuoides es Conoide, ((.n SpL arcide) e Cuneo.
I(ut Prop. 5, 6. Formavimus Prramidem vel Co.
num, e PI OP. 9. Prramidoides Parabolicum,) ex
om nibus quadracis DO ordinarim- aplicatarum
in ellipE. Formetur Pyramidoides elsipticum Bicuspe(hoc
est, Pramidoides ceminum super cemmuni bole.
VeriICes