Байарыст 2018-1 №4 вариант 10

Bayarystanov A.O. 2018-1 work #4 option 10
The vertices of the pyramid are A(-5;-4;-3); B(7;3;-1); C( 6 ;–2;0); Given D(-6;2;-7). It is necessary to find: a)|AB|; b) BC; BD; c) S ABC; d) V ABCD.

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