Center of Sphere calculation

Helpme21

New Member
Joined
Jan 26, 2011
Messages
19
I have two questions"
1. Given 4 points and the radius, how can I find the center of a sphere? What's the least costly way when programmed in excel vba?
2. Same as 1. but this time only given 3 points and a radius.

Thanks in advance!
 

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Somehide hide payroll data in column G? Press F5. Type G1. Enter. Look in formula bar while you arrow down through G.
this is excel forum, not math forum, give us formulas, we can help you to put in a sheet
 
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Helpme21:

Not sure what you mean but if you have the radius you already have the distance to the centre of a sphere...
 
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