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ABCD A'B'd's cub
B
m
( *ll ABC); ( D'AC))) = ?
с
ABOD - pătrat
Y Bol AC
Ac. in BD = {0} S
echilateral
> Bofmältime => Botac
0-mijl: bui Ac
13
AB'AC


ABCD ABds Cub B M Ll ABC DAC С ABOD Pătrat Y Bol AC Ac In BD 0 S Echilateral Gt Bofmältime Gt Botac 0mijl Bui Ac 13 ABAC class=