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7/23/2019 Poliedros. Dolors Todolí
http://slidepdf.com/reader/full/poliedros-dolors-todoli 1/8
@hchrs Ph`hcå
7/23/2019 Poliedros. Dolors Todolí
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7/23/2019 Poliedros. Dolors Todolí
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7/23/2019 Poliedros. Dolors Todolí
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Qkrço añoagvhs sd
gciuog ̀ k susagrgs oh puk`kgphygrsk ko kc
pcgoh bhrdzhotgc
AÑOAG\HQ
AHO\KRHQ
Qkrço ahovkxhs sdth`gs cgs agrgs
puk`ko –gphygrsk―
ko kc pcgohbhrdzhotgc (`kfd`h
g sus çoiuchsahovkxhs)
7/23/2019 Poliedros. Dolors Todolí
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VKI[CGVKQ
DVVKI[CGVKQ
^hcdk`rh auygs agrgs sho
phcåihohs rkiucgrks diugcks y
th`gs sus grdstgs sho `k diugc
choidtu`= ko ahoskaukoadg, th`hs
sus värtdaks kstço ahotkod`hs kouog kslkrg.
Chs phcdk`rhs rkiucgrks sho
adoah
Chs phcdk`rhs drrkiucgrks sho
phcdk`rhs auygs agrgs sho
phcåihohs oh th`hs diugcks.
^rdoadpgcekotk sk acgsdldagophr kc oúekrh `k agrgs quk
tdkok su supkrldadk.
^VDQEGQ ^DVÇED@KQ
7/23/2019 Poliedros. Dolors Todolí
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[o prdseg ks uotdph ̀ k phcdk`rh
ko kc augc skauepcko cgs
sdiudkotksrkcgadhoks
g)tkokr `hs agrgs fgsgcks
pgrgckcgs aho phcåihohs
diugcks.
f) tkokr tgotgs agrgs cgtkrgcks
`k tdph pgrgckchirgeh, aheh
grdstgs tkoig kstk phcåihoh.
a)g chs prdsegs sk cks acgsdldag
skiúo kc oúekrh `k cg`hs quk
tkoigo cgs agrgs fgsgcks
Chs prdsegs puk`ko skr rkiucgrks, sd sus phcåihohs
fgsgcks kstço aholhreg`hs phr phcåihohs `k tdph
rkiucgr
Chs prdsegs puk`ko skr drrkiucgrks sd sus fgsks sho phcåihohs
drrkiucgrks.
Htrg agrgatkråstdag dephrtgotk `k chs prdsegs ks quk g`keçs phskko uog
gcturg. Qd kstg ahdoad`k aho cgs grdstgs cgtkrgcks `kc prdseg kothoaks kstk skrç
uo prdseg rkath, ko agsh ahotrgrdh skrç uo prdseg hfcdauh
7/23/2019 Poliedros. Dolors Todolí
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^GVGCK^Å^K@HQ
^DVÇED@KQ
Cgs pdrçed`ks
puk`ko skr
añoagvgs h
ahovkxgs
`kpko`dko`h `kctdph ̀ k phcåihoh ̀ k
su fgsk.
[o pgrgckckpåpk`h ks uo prdseg ko
kc augc th`gs sus agrgs sho
pgrgckchirgehs (agrgs hpukstgs
diugcks y pgrgckcgs). Aheh th`hs chs
prdsegs, puk`ko skr rkaths u
hfcdauhs y sdkeprk sho prdsegs
aug`rgoiucgrks.
[og pdrçed`k ks uo tdph `k
phcdk`rh ko kc augc sk
auepcko cgs sdiudkotks
rkcgadhoks:
g) tkokr uog fgsk cg augc ks
uo phcåihoh.
f) tkokr tgotgs agrgs
trdgoiucgrks aheh cg`hs
tkoig cg fgsk.
Gc diugc quk ko kc agsh `k chs prdsegs, cgs pdrçed`ks phskko
gcturg cg augc sk `kldok `ks`k kc värtdak g cg fgsk. Qdo kefgrih
cg gcturg `kpko`krç `kc akotrh `k irgvk`g` `kc phcåihoh fgsk. Qd
cg gcturg oh ahdoad`k aho kstk cg pdrçed`k skrç hfcdaug. Qd kc
akotrh ahdoad`k aho cg gcturg cg pdrçed`k skrç rkatg.
7/23/2019 Poliedros. Dolors Todolí
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ADCDO@VH
AHOH
KQLKVG
[o adcdo`rh ks uo aukrph
rk`ho`h quk sk ikokrg g pgrtdr
`k cg rhtgadño `k uo rkatçoiuch
ko throh g uoh `k sus cg`hs kc
augc ks g su vkz kc kjk `k
rkvhcuadño. Chs trks cg`hs
rkstgotks `kc rkatçoiuch sho cgikokrgtrdz `k kstk.
[o ahoh ks uo aukrph
rk`ho`h quk sk ikokrg g
pgrtdr `k cg rhtgadño `k
uog rkatg doacdog`g cgaugc sk dotkrskatg aho
kc kjk `k rkvhcuadño y
sdiudko`h g uog fgsk
rk`ho`g aheh `drkatrdz.
Cg kslkrg ks uo aukrph rk`ho`h
quk sk ikokrg g pgrtdr `k cg
rhtgadño `k uo skedaårauch ko
throh g uo kjk `k rkvhcuadño kc
augc ks g cg vkz kc `dçektrh `k
kstk.
Qho aukrphs ikheätrdahs
trd`dekosdhogcks quk phskko gc
ekohs uog agrg auyg
supkrldadk ks aurvg. Ksths
aukrphs sukcko skr ikokrg`hs
ek`dgotk cgs rhtgadhoks `k sus
agrgs ko throh g uo kjk`ktkredog`h.