Question

the diameter of a sphere...

is it
a is half the length of the radius
b is the distance from the center of the sphere to any point on the surface of the sphere
c is the longest distance on a sphere
d does not pass through the center of a sphere

Answer 1

[AI-generated answer — Bot GPT 3.5]

c is the correct answer - the diameter of a sphere is the longest distance on the sphere, passing through the center.