Plz do it in programme code block its c language ok also I will upvote u Solution directly

write a C program to prompt for and input the circuit radius , and then output the circumstance of this circuit The equation to be used is C = r2, where C stands for Circumstance, r stands for Radius and I = 3. 14. The form of the input and output can be found below. Enter the radius: 2 The circumstance= 12.56