Geometria nello spazio

W-t^Ql i*- \p-3&,os-,o-Slseleú

W"€-hÈb€,F \,.' cqt-Lt'Su}J-lt-r-eigleR\:\*RaÀol^rqyreRiw&G i-urP^-e-cju,.De--S.q,gkna .r.r-q$rseS*\ e$al.s-Àgs-gA*A- !tss\\rr>òa+.n\qd'àN *\ ' x\l-wu*As \xn*t\z"ta- \\t',C*, \-L= \9*- \\v\\ = "' , O\\ >\\ X\*,,ÒqÀrh\- c,.r 'i':ir;.ì:iluEir. ,',- q.-e;hq'r 1s\ns.-lP-**"--$*'.Flf'--2 5Ro'*n'P o-Qdù-Îùr-Sò.\t' ùslr{L \n'r-ruuq>*XlF?\gS È, t (x,p,{ ,t-.),$,=lx'(x , t*,$.)=(:\,è rt")e[X",.L.- **t^ \È]\ €o"$\\-xo[vn)=\\T [t-OQcf$lo t'"t\lat'j-[*I*,,xò $.,'*. " $y,*& x,$,*{E crnr,rr-r.p ^.brìXgÈ=Je ù{rr*r,e }"iìlx rù = v.-A ùA\* QgX-4=fx,roo)s-1p,,$r,o)cs0oìl1$ltb,= x'g llttt ùss'\1$\\=s.,-$,= c,outa,,*ttrY{ìoFÉ*rou\g {r.x twqt'arEoR.3rS,É sr.ts xe-\C?F".=\. ffròro /\D tx(rù=; +5.xNr''-;.+UTeoe \srvbRtALF ìq.,\-?-\ r k:)8'^to :- '*r,t*, <- *x '.\,=\\, +P![Qf'-"dq^ar'* à.scé)o.Q-ù\are- ^'ò***q""ÀAÀr,sh.l.tla (,ò\ xs2<r xLq q ,[0,. $r-'òs? f:Í;;?+:,\ l:=JUSs€ÈVn*cX,ùe@.o A\ \ Lxr u-) \I .ni LAg B\- rv )' o,-î.2)4ù)e' R=o) <>s4$, xDtLt',4' 'r.'1.6-S , t,$\\z ")1rrrr\\Íil" S\t3]l& ]u* "[rt'q\N.a* *bY)I lr-\l*t\'\\Y1\""\,cèrsA\{t$ s.F €úf\t\l@ ì= Xz-iq(-,..>3\xl\\r. ir t-= \*'*t'.èu\l e-QA.yrfuóc,\"l2 : l.t- -\\\t \\\*rIn&\.tl-tl-È siliÀ€F fwts'ewe-sós]b'P ryo z X$,{.Xrt> "t\.'*u*\'3-\csQcrrP-(a*rîcÈ-l \!'e.H, ir>s :xf îU x3x1},\ \=tr\t.$,I ùffiI nu):_o:rBI:o \yW{\tc