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compute the squared radius of the circle passing through the points
p, q, and r. Precondition: p, q, and r are not collinear. | ||||
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compute the squared radius of the smallest circle passing through p, and q, i.e. one fourth of the squared distance between p and q. | ||||
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compute the squared radius of the sphere passing through the points p,
q, r and s. Precondition: p, q, r and s are not coplanar. | ||||
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compute the squared radius of the sphere passing through the points p, q, and r and whose center is in the same plane as those three points. | ||||
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compute the squared radius of the smallest circle passing through p, and q, i.e. one fourth of the squared distance between p and q. |