1.

If A(0,4,1), B(a,b,c), C(4,5,0), D(2,6,2) are the consecutive vertices of a square, then the distance BD is

Answer»

`SQRT((a+2)^(2)+(b+6)^(2)+(c+2)^(2))`
`sqrt(34)`
18
`3sqrt(2)`

ANSWER :d


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