立体几何：外接球

102abc1134123AC422222222222222222222228abBCADBCABCDbcACabcRACBDcaAB,abcabcabcVBCDA314611PABC.PAPBPCaPCPBPA,CBAPaaR2322232344aaRS2BCDAABACADABCACDADB223262BCDAA6B26C36D461322321223123212,2,22,2,2SSScSSSbSSSaSacSbcSab132321231222SSSSSSSSSR26434241626343433RVA3OABCD2BCABDABCABABCDA,ODAABBCO2623aR626343433RV114BCDA5CDAB34BDAC41BCADBCDAA50B100C150D200BCDAabcabc2522ba3422ca22cbR50)2(2222cbaR5042R5042RSA1BCABBACPAC,2ABCPABCPV1ABCACPACAaRsin2R2Aarsin2MNP4222212lRRR2122212122DOEODOOOODR4)21()(222212122221222lRRDOBCCODOCECO21lR22lR2RR1RR1R2Rl907A12B16C20D24222323R22233RR122R1642RSB31R460sin3222R32l,24222212lRRRB8ABCPABC3BCAB3AC433A1B2C3D323BCAB3AC21332933cosB120B433120sin3321ABCSABCr32120sin3rr1DOABC433131DOVABCD43343331DOABCDO222)3()3(RR2RBECA,hEACE1H2HBDABCD,BCDBDrCHsin21rhEH12tan1rhOH2tan222212122rhrCHOHOCRCcBbAaRsinsinsin29ABCD60DAB3ABACBDOABCDBD90AOC13A15B215C27D7ABCD60DAB3ABABD360sin23r233hACBDO90AOC21545tan32333222R1521542SA3sin6032121RR232l4154222212lRRRA1132ABCD60BADACDACB120ABCD120,32,32BEDrDOhED602EOO,360tan22EOOO21323222222DOOOR2160tan323322tan222222rhrR8442RSABCBCDBCABCACABDBCBCRtDBCA14ABC2rBC21hAO12rBCFABCR21222221212sinrrhREOOOOE12ABCSBCAB2BCABSACBACS33ABCS36sinsin33cos1211OOOBSOBSO332,322rh,23121sin212222rrhR642RS6AED1hAE2hDEABC1rDBC2rAEF,DEG67EDGEEFAEDEAEGEAE2tan2222rhrR60BACEFAE3120BACEFAE318CDBCDRt1AED1hAE21hEDABC1rDBC22CDr221rhEOAEFED1G891EDGEEFAEEDAE1GEAE152tan2222rhrR132018?ABCDOABC32ABDBD2ADDABC120OA3148B28C337D363112031EGEOCEGCE,21203rCEGCEh72tan2222rhrR2842RSB142018?1A4B8C16D32229022,2222111111CORFCGCODOEOFOGODC3242RSD152018?BCDA60CBDABDABC3AB2DBCBA219B243819C17D6171736sin903672,2603ABEAEBBEAEADACCDDBCBABDABCAB,16EFBEEGAEBDCEFBE32194238sin2357332RSABEAFRAFEFABCD332321BERACD6277627sin22ACDADR12l8194222212lRRR21942RS4sincos222222lmnnmRABCDDABCABD1OABC2OEAB21EOOmEO1nEO22lAEROA21OEOOsin221OOROEcos222221mnnmOO4sincos22222222lmnnmAEOER2tan2222rhrR12ABCSBCAB2BCABSACBACS33ABCS0m3321OOn33cos36sin17494sincos2222221212lmnnmCOOOR642RS132018?ABCDOABC32ABDBD2ADDABC120OA3148B28C337D3611EOm131CEn12032AEl74sincos22222222lmnnmAEOER2842RSB142018?1A4B8C16D3221EOm52cos51sin22AElABC52CEh55665262sin22ABCR5542Rhn84sincos222222lmnnmR3242RSD