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一凸多面体的面数为8,各面多边形的内角总和为16π,则它的棱数为( )
A.24 B.22 C.18 D.16
A.5400° B.6480° C.7200° D.7920°
一个凸多面体的棱数为30,面数为12,则它的各面多边形的内角总和为
A.5400°
B.6480°
C.7200°
D.7920°
A.5400° B.6480°
C.7200° D.7920°