mktz97fh6w mktz97fh6w
  • 22-11-2022
  • Mathematics
contestada

f poziţia dreptei AN față de planul (VBC).
În prisma triunghiulară regulată ABCA'B'C', punctele M, N şi P sunt mijloacele segmentelor BC,
AC, respectiv B'C'. Arătaţi că:
a MN || (ABA');
b MP || (ABA');

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