Question

stabiliți cate vârfuri ,cate muchii si cate fete are : a) un cub ;b)un paralelipiped dretunghic ; c) o prisma triunghiulară; d) o prisma hexagonala

Answer 1

a), b) : 8 varfuri ; 12 muchii ; 6 fete

c) 4v ; 6m ; 4f.

d) 12v ; 18m ; 8f.