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b)P,Q,R,S,T,U,V,W (memiliki 8 titik sudut)
c)PQ,PS,PT,QR,QU,SR,SW,RV,TW,WV,TU,UV (memiliki 12 rusuk)
2.a)OPST,RQOP,VSRO,VSUT,UTQP,RQVU
b)OP,OR,OS,PQ,PT,QR,QU,TU,TS,SV,VU,VR
c)O,P,Q,R,S,T,U,V
4.9×12=108