Байарыст 2008 №4 вариант 5

Bayarystanov AO 2008 work №4 options 5
The tops of the pyramid are A (–5; –3; –4); B (1; 4; 6); C (3; 2; –2); D (8; –2; 4) is given. It is necessary to find: a) | AB |; b) BC; BD; c) S ABC; d) V ABCD.

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