# include "stdio.h"
Void main ()
{int r;
Float s, l;
Printf (" Enter "r" : ");
The scanf (" % d ", & amp; R);
/* * * * * * * * * * FOUND * * * * * * * * * */
L=2 PI r
/* * * * * * * * * * FOUND * * * * * * * * * */
Printf (" \ n l=% d ", l);
}

CodePudding user response:

If the value of the PI write in, or define variables,
L=2 * 3.14 * r