Jawabanmu

2014-04-14T22:14:35+07:00
Diagonal sisi = 6 ( 6-1 )
                    = 6 . 5 = 30
diagonal ruang = 6. ( 6- 3 )
                       = 6. 3 = 18
1 2 1
2014-04-14T22:17:28+07:00
Diagonal ruang : 10 buah
bidang diagonal : 6 buah