Yes, all spheres are similar in geometry!
In mathematical terms, two shapes are similar if they have the same shape but may differ in size. For spheres:
- Every sphere is perfectly round, with all points on the surface equidistant from the center.
- The only difference between two spheres is their radius (size), but their proportions remain identical.
This means you can scale a smaller sphere into a larger one (or vice versa) without altering its shape, making all spheres fundamentally similar.
This property is unique to spheres among 3D shapes, emphasizing their symmetry and uniformity in geometry.