Question

Why are all spheres similar?

Answer 1

A sphere is a three-dimensional solid which only has one contribute, its radius or the axis of the sphere. If you have only one measurement you can compare with another sphere, so no matter what a sphere will always be proportional to the other. This making all spheres to be similar just like circles.

Explanation:

Answer 2

Explanation:

We have to tell all the spheres are similar. As the spheres has no other configuration except for being perfectly round three-dimensionally