多边形的内角和

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多边形的内角和P[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|fm|r|MCR-|L:I/FLC73-2.-库尔勒市铁克其中学阿米娜牙森Y{UEXMjHS-R-HL=P[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=n|r|MCR-|L:$1ABCA+B+C=1800{VMr|LCtMZFytMfHZ;aEVL=FbaF[MsLA|R/EWFL:W=?|L:PL=W~R-|^X=MZa|sn|r|MCR-|L:Y;F[;R,|L:$2{VMr|LCY{UEXMjHS-R-HL=P[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pML=WHssMfHZ;JF_r|LCtMZFy?Y{UEXMjHS-R-HL=P[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pML=WHsgMsLAGWHLI+?|LPgMMLGUFL:X=MLC#FMbEVL=|L:pMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLJF_MrFR,$$$|S-oMM=gMsLAGWHL5Y{UEXMjHS-R-HL=P[LVM=M_MLB$PsLBFbFLCN-MsMbHwMfFy|vPL=|LCX=MLC{VMr|LCn四边形五边形六边形七边形八边形PL=FZI-GWHL345678…NPL=FZpML=W~n|r|MCR-|L:pMM=LXMsn|r|LCPgS-ML:P[LVM=M_MLB123456…n-2180o360o540o720o900o1080o…(n-2)·180o|vWFLCKXMsr|Z|L:FcZ;FLCHL=HLBpMM=Z;@|r?|LCF^W~n|r|MCR-|L:HS-L=FbXMLCPM=gMsLAGWHLI-?|fpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|f#N-MM=MsLVLBFLAOLVMr|Z|L:Y;@|r?|LCPoMDLB\;MMAMDLPM=M[LVM=M_MLB{Vv}|LCPsM_r|LCHkML:F_MZ~MvW|b=·p·p六边形内角和1)6×180o-360o=720o;(2(12)5×180o-180o=720oP[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|fEVL=F^W|MZ;~v|v|L:(n-2)·180on·180o-2·180o=(n-2)·180o(n-1)·180o-180o=(n-2)·180o%qF[MvPR-|^W{Vr|LEWFL:W=?|L:Pn|r|LCPZ;WFb|wLWFbI-@|R/XMLCpMM=gMsLAGWHLI+?|LXMLCWHjHL:aEVL=FbPn|r|LCPZ;WFb|wLWFbI-@|R/XMLCHL=HLBEVrFy|L:#F[r|LCW~n|r|LC{VMr|LCHMLG|;MZFL=|vABCD%\;M[;MLB#HMgMsLAGWHLI+?|LeGVL=HksMMMZW?|fGVwMZGWABCDA+C=180o#PgL=@|R-A+B+C+D=(4-2)×180o=360oJ@|R-@|L:pML=|Z;B+D=360o-(A+C)=360o-180o=180oPR-|^W{Vr|LEWFL:W=?|L:Pn|r|LCPZ;WFb|vWFbI-@|R/XMLCpMM=gMsLAGWHLI+?|LWHjHL:#eHwLUW~n|r|LC${VMr|LCW~n|r|LCPR-|^W{Vr|LEWFL:W=?|L:|wMn|r|LCPZ;WFb|wLWFbI-@|R/XMLCHL=HLBEVrFy|L:#F[r|LC%dMZ;Hv150o120o2xoxo90o+120o+150o+2xo+xo=(5-2)·180o360o+3xo=540o3xo=540o-360o3xo=180ox=60oY{UEXMjHS-L=FbP[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLY;HLC$1$pMMAMDLPM=MMMwwMbpML=PgLUWHssMfHZ;JHksLXMDLCGVL=G{;?|Lx$2n=5(5-2)·180o=3·180o=540oF[r|LCP[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|fXMLC$32340o{VMr|LChMsLAGWHLHS-L=Fb|L:(n-2)·180o=2340o180on-360o=2340o180on=2340o+360o180on=2700on=15()hMsLAGWHLpMcMDLCI-GW=@|LHsMZHvN+ML:FL:F_M[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|f$4$P[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|f$3(n-2)·180o$m|r|MCR-|L:PZFZFL:pML=X=MwM[;MZ;|L=|LJHsMLChMsLAGWHLI-?|f$1PL=P[LVM=M_MLBpMM=LXMsn|r|LCPgS-ML:pMM=gMsLAGWHLI-?|f$2$PL=FLBWHR/\;LXMcMR-(n-2)·180oI-{W|MrHfHZ}|R,a{W|[;LAFL$m~LAF[MDyPM=M[LVM=M_MLBpMM=LXMsn|r|LCPcZ;FLpMM=gMsLAGWHLI-?|f$1$qF[Mv7&qF[Mv2%Hwf@|L=?|fI+HLC98$2---ثذنذلرذزذه

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