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The equation of the plane is then D(x - x<sub>A</sub>) + E(y - y<sub>A</sub>) + F(z - z<sub>A</sub>) = 0
The equation of the plane is then D(x - x<sub>A</sub>) + E(y - y<sub>A</sub>) + F(z - z<sub>A</sub>) = 0
(The coordinates of points B and C could have been used instead.)
(The coordinates of points B and C could have been used instead.)
[[Category:Geometry]]
[[Category:Geometry]]