There is no definitive list of Gestalt principles, but some of the most .... tend to be integrated into perceptual wholes if they are aligned with each other. .... and attempted to relate them to natural image statistics
The Gestalt concept is a series of concept that underlines how people see objects after putting together different groups of elements. This was a brainchild of psychologists like Max Wertherimer, Wolgang Kolher and Kurt, Koffka. Some of the concepts involved withing this principle involve the principles of closure of reification, common fate, convexity, element connectedness, figure or ground multistablity, good form, regularity, and similarity.
First we need to find the radius. Using Pythagorean theorem we can find the radius which is the distance between the center and any point along the circle:
r=((5-1)^2+(2-2)^2)^(1/2)
r=(4^2-0^2)^(1/2)
r=4 units.
Circumference=2pr so our circumference is 8p units^2