amirul12 · October 4, 2016 16:42
diff --git a/Area of circle.c b/Area of circle.c
 #include<stdio.h>
 #include<conio.h>
 main ( )
 {
 int r;
 float area;
 printf ("Enter integer value for radius:");
 scanf ("%d", &r) ;
 area = 3.14*r*r; //here the vakue of PI is 3.14
 printf("\n Area of circle =%f", area);
 getch();
 }
	#include<stdio.h>
	#include<conio.h>
	main ( )
	{
	int r;
	float area;
	printf ("Enter integer value for radius:");
	scanf ("%d", &r) ;
	area = 3.14rr; //here the vakue of PI is 3.14
	printf("\n Area of circle =%f", area);
	getch();
	}