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# Title: [Lectiones XVIII, Cantabrigiae in Scholis publicis habitae] Lectiones XVIII, Cantabrigiæ in Scholis publicis habitæ (shelfmarks Leibn. Marg. 0; ZEN Leibn. Marg. 0)
# Folio 122, page id 797435492:0360
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18. 182
E18. 183.
F C F. XII.
Fxemp. II.
SiE CVErA A F C (cujus axis A D) proprietate talis, ut R 2 quo-
cunque puncto in ipsa sumpEO P, ducatur recta F: P ad A D normalis;
connectaturque A E, sIC A P. incer designatam AR, _ AP prOpOE-
CurVa A. M B, quam tangaE TM ad A F parallela.
 reperiatur
De curra A M adnOTO FOTEK. M:: A F. arC. A M.
Si
m = E (vel AE SIF inter A R, AP Cimpliciter media) crit
A P. C circulus, _ A M B Ciclois primaria; hujus isitur dimensio C
lege gererali trabetur.
Haec etiam ex adjuncto Problemate magis ccomprehentivo pera-
BUNEUK.
Erobo. LL
Curra desionetur, pata AM B, cujus axis A D, ita et in hac
Tumpro puncto quopiam M, _ duet a M P ad AD perpendiculiri, e
polirorectam M T iplam ransere, habeant TP, PM relationem al
lignatam.
Accipiatur recta quaepiam R, _ FaF Ut T P ad PM (quam utique
rationem altignacâ dabic relario) ita R ad P Y (quae nempe sumatur
inXeCtA PM, _ ad axem A D ordinetur) siC ut per ejusmodi puncta
P CranICAE CETA Y YK; nan si fiat P M - sPac. A P
A M B indé constabit natur.
FXeMP. L
; de CurrX
E15, 2840
Sit AD C circuli quadrans; cusus Lalus aequetur desiGnat R; _
habere debeat TF ad PM LALTOHICM CaLIdCI GuaI habeF R ad arcum
FNemP.
A F; ergo quum FIE, juxta Praescriptum, R. AEC. AF: : R. PY; c.
xic P eate.  L;  abeluF L. M.