Center of Sphere calculation

H

Helpme21

New Member
Joined
Jan 26, 2011
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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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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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