Which of the following is true about the diameter of a sphere?
1. The diameter is not a chord
2. The diameter is 2.5 times the length of the radius
3. The diameter of a sphere passes through the center of the circle
4. The diameter is the shortest length on a sphere
All of the options are incorrect except for option 3.
The correct statement is:
3. The diameter of a sphere passes through the center of the circle. The diameter is a straight line that connects two points on the surface of the sphere and intersects the center of the sphere.