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# Title: Leibniz-Handschriften zur Mathematik LH 35, 12, 1
# Folio 295v, page id 00068194:0590
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(2). que la Retorte AD CF eA ert égale au quarré du
rayon, ou au double Triangle ABC ce qui fetrouve
chez les Peres Fabrus et Lalouere chez Mons. Wallis
Mons. de la Hire et autres.
AFe A, et
segment excloidat
a
Demonsration
trilignes
ADCFCA
retonte
. = AC F par la figare
truangle
ABCD A parla 1. supposit
guadrant
lcon
.+ dCD.. = ABCD A par la figure
segment de t de
quodrant
2a 2. .. + ACD A) ... - ADCD A par la 2. suppas
triangles
fegment de cercle..Fa la 2.
ABC + ABC.. + ACD A.-ADCD A. cela s’eret
triangle triangle
ABC
triangle
segment decerde Quadrant.
+ ABCDA. AB CD A par la figu
Gaadrant
+ ACFE
riligne
ACF
quadrant
Pone A1t C
s1d
-
+r
tost
égal a ABC.
riangte
le quu fandit cumstrer.
e