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# Title: Synopsis Geometrica (shelfmarks Leibn. Marg. 7,1; ZEN Leibn. Marg. 7,1)
# Folio 126, page id 797939695:0146
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# Lines: 31 recognised, mean confidence 0.88
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Synopsis
+2. Hlinc Ei sic Oxygonium TV Y,
ducta perpendiculari V X, quadeacum
(ubV Y minus est quadeatis lub XTV,
bis rectansulo ub YT X, quia conci.
nec quadraca (ub V X Y, led luprahac.
quadrara (ub VEr concinene bis qua
deatum (ub TX, ee bisrectangulum sub
YXT; ac rectangulum Cub YXI de quo-
dracum (ub PR. Cumui adaequane rectan.
Culum Lub XTX.
Prop.
L
Si ducatur duae lincae inera circulum,
Ec le invicem secantes, rectangula lub
scomencis, Tunc aequalia; Cc enim circu-
Lus CentroB; li duCanEUF peF CentruM re
P N, A G, res est perlpicua; quia leg.
menca Cunc equalia; si altera caneum re
AC, quam HIM sccat ad angulos re-
etos, rectangulum ub A F. C cA aequa
le quadrato lub FFI, quae eA media pron
portionalis; igitur e rectangula lub H
E MI; AVeTO LInE AC, CF, rectangu.
lum Cub A F C cum quadrato BC, adlae-
quat quadratum BC, ee pariter rectan-
gulum (ubFFC, cum quadraco FD, adae.
quacquadrarum DF quod cum quadra
e0DB, ad equac quadratum B F, isitP
Lumma
Figura