C # program to find radii of the circles which are lined in a row and distance between the centers of first and last circle is given
using System ; class GFG { static void radius ( int n , int d ) { Console . Write ( " The ▁ radius ▁ of ▁ each ▁ circle ▁ is ▁ " + d / ( 2 * n - 2 ) ) ; }