Answers

2015-05-11T15:05:31+05:30
center: (2,3,4) 
diameter = sqrt[(3-1)^2 + (4-2)^2 + (5-3)^2] 
diameter = sqrt(2^2 + 2^2 + 2^2) = sqrt(4 + 4 + 4) =sqrt(12) 
radius = sqrt(12) / 2 
we can leave it like this, since the RHS of the equation will be r^2, or 12/4 
equation ==> (x - 2)^2 + (y - 3)^2 + (z - 4)^2 = 12/4 

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