&1234y6#$%&\n34(200-y)6\r9:;8X(1+25%)jH-12(200-y)<2122,\r y-139,\r./0&1DE231396#$%&.\r21.(14G)HIJ\nKLZB=ZD=[20c.\r(1)MN48OCQRSTU!VWU\r(2)EXYZ[8\\n]^_ZCRG/8/E,4F'(ND4E,HIc\ndN\r/=MC?gh.\r(3)ijEYkZCD\\n]^_/E4C=m/n4C,dNNCDN/ED?o(Mpq\r2\rrstuIv\nw ).\rx y (1)RS.\rHIJ\nH:AD//BC,\r$.ZJ+ZS=I8O°,\r,'/8=/=120°,\r.../)+//=180°,\r$.AB//CD)\r(2)HIc\n'$AD//BC,NB=ND=120°,\r$.NDAB=60°,\r.7CRG/8/E,/RGND4E,\r$.ZEAC=XZBAE,ZEAF=^ZDAE,\r22\r(16)(+17))EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r:.NE4C=NEAC+NEAF=L(NBAE+NDAE)=m//8=30°'\r22\r(3)JHI3,
jEYZ[CD\,\r9(1)IJAB?CD,\r$.ZACD=ZBAC,NAED=NBAE,\rK,:NEAC=LNBAC,\r2\rAZACD-.ZAED=2$3'\rcHI4,
jEYC?Z\\r9(1)IJ4B?CD,\r$.ZACD=ZBAC,NAED=NBAE,\rKH$NEAC='/BAC,\r2\rAZACD$ZAED=2$1.\rijY8?Z\\nZEAOZBAC,:;.\r(17)+17)