1 ZZ91 r P" c 'xP,
C
OCcn 'yz.ee-
y-SPr ck
y..
~2>
L
cryycu. y~ <y
py/2_ nP.'Pcyd-P - yy/y^ cp /^e_x
p ,y^- ^.py'_y' /y-y^y' PxxPf? -</~>-<y<2 -e-y.
P." {pC^yy-/ y 9- >-? - yyy y C /^CcpO C pycr? r_:y x 2-^yX
kJ° J\ '- PPoty?cyz yP
yp
P (Pp yx-y
p: P>J
1
oyy?~
yypPP^
'Yrxyr ys'T-'tx^óeyc^tx^cpZ,
J "^P-tr-^PPar-r-iyo^eyz. <y^py?.^ysiS) *- P?--•'
7 ^7 PP>-1, >-
-cm'-y-y
yyrc 7? cpr-yts pP-t
i__y y J z/z~ v-> yy___
ZP/y Ti
yz^l^y circle
<2^f y>y >t^yf
?£-9c- ?y eyy jtXX-z-eX z—&< '-~^Zyy P~~?_ cS~y -—y-
P?
P^/'p. s~y>x c 1 c* z 7 -T -z ~2y~&c z y z* y* yr* zz~? -z.x)
cc t?< n cz>Ps e ^pcz T cy.yz^je^y ocy£-? 1 -7 ^t
_yyp <21 Pp_
y
^xy y yy 2-2/2 -2/ i?y (xP? cxcps y ?-/y
i/'
?c<?^c 7%~y<xicX-C^z-~7 -t—y>y^, 0 c- y y- z-'- e.- x t-jy -Tyxy >f_
1. y ts-, ty^z^ZZe^y
t. S'r cy^zPy <- x~r>i 9- y~o f- P 2
Cpe-11, CJy>cyr y/-ex ■a'y gr^-o ^yéy --(Pty? Xy y 7 y<y^,
py'y r-p^-yPyxL-r-yyc-- C9cy->y 7 tyxjyxxyyypp
Zpn: Py ^CL _j&-?ic ^-ty^y yeS^yy
y C£ -?X? yz y- /P
z^ zr s~ 31c~yZ~ xy v /?-ty
2
oP^/yP^Ly