# Sphere from tree points

Equation of sphere with three point (a,0,0), (0, a,0), (0,0, a) and center lies on plane x+y+z=a

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**Dr Math**

We found some bugs in this problem, but I think now is OK solution:

(x+a)

(x+a)

^{2}+ (y+a)^{2}+(z-3a)^{2}= 6 a^{2}Tips to related online calculators

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Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

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