ответ: BC = AD
Пошаговое объяснение:
AB=(0-1; -1-6; 2+4) = (-1; -7; 6)
BC=(-1-0; -2+1; 7-2) = (-1; -1; 5)
DC=(0+1; 5+2; 1-7) = (1; 7; -6)
AD=(0-1; 5-6; 1+4) = (-1; -1; 5)
AC=(-1-1; -2-6; 7+4) = (-2; -8; 11)
BD =(0-0; 5+1; 1-2) = (0; 6; -1)
ответ: BC = AD
Пошаговое объяснение:
AB=(0-1; -1-6; 2+4) = (-1; -7; 6)
BC=(-1-0; -2+1; 7-2) = (-1; -1; 5)
DC=(0+1; 5+2; 1-7) = (1; 7; -6)
AD=(0-1; 5-6; 1+4) = (-1; -1; 5)
AC=(-1-1; -2-6; 7+4) = (-2; -8; 11)
BD =(0-0; 5+1; 1-2) = (0; 6; -1)