Question

the diameter of a sphere is a fixed point equidistant from all points on the surface of the sphere. a chord that passes through the center of the sphere. a three - dimensional circle in which all points are equidistant from a fixed point. a line segment from the center point to a point on the sphere.

Explanation:

A chord in a sphere is a line segment connecting two points on the sphere's surface. When a chord passes through the center of the sphere, it is called a diameter.

Answer:

a chord that passes through the center of the sphere.