Explain and Write down the similarities between circle and sphere.
Similarities between Circle and Sphere
Both circles and spheres have a perfect symmetry around their centers. All the points lying at a distance r from the center of the sphere or a circle form a sphere. The longest distance inside a sphere is double this distance r and is called the diameter of the sphere.
To a mathematician, both the circle and a sphere are one and the same thing as a collection of the points that are equidistant from the center of the circle or the sphere. In a plane a round object is called a circle but the same circle becomes a sphere in space.