504
SU P P I E M E N T . AD I .I B. V I .
vel
t*XX
“ 4XX*+«
aa
, fi»c
xx Z Z \-a a
, . Cum autem fit JG*
~
-y
aa
— aa y
cric
S N 1
-j-
ua
, Erat
SH 1
y
aa
. Igitur quadratum S N cll
dimidium quadrati o
H
, & quadratum Nft dimidium quadtati
MH
> ut per
Geometriam inventum fuerat . Verum Geometria ipfa immediate eo deduxit,
quo calculis non deduxiflet > nili cx notitia tam fimplicis .relationis inter
diametros rhombi, data <ipera quaifitus fuifle valor N> , & comparatus cum
v a l o t e S H . Ei qmdeni facpe accidit > potiffimum in hujufmodt problcmatis
admodum fimplicibus, uc Geometria fimpliciores , & elegantiores determi­
nationes exhibeac , quam calculus . Hio tamen calculus angulos trapeziorum
fatisexpedite exhibet: cumlenim fit
x x ZZ.
y
patet fore GH* —
8x» , &
Z Z •jx1 ,
adeoque
H H Z Z
3
* Z Z
j NG .
Sed de his omnibus
jam fatis.
1...,512,513,514,515,516,517,518,519,520,521 523,524,525,526,527,528,529,530