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In the diagram, point C represents the center of the sphere. Diego says that the part of the sphere labeled D is the radius. Gregoire says that the part of the sphere labeled D is the diameter of the sphere.Who is correct and why?- Gregoire is correct; the diameter is a chord that passes through the center of the sphere.- Gregoire is correct; the diameter is a chord that is from the center to the surface of the sphere.- Diego is correct; the radius is a chord that passes through the center of the sphere.- Diego is correct; the radius is a chord that is from the center to the surface of the sphere.
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