Write a program to calculate area of a circle Input and Output Format: Refer sample input and output for formatting specification. All float values are displayed correct to 2 decimal places. All text in bold corresponds to input and the rest corresponds to output. Test Case 1 Input (stdin) 2 Expected Output Area of Circle=12.560000 Area of Circle=12.56 Test Case 2 Input (stdin) 25 Expected Output Area of Circle=1962.500000 Area of Circle=1962.50
#include <stdio.h>
int main()
{
float a,area;
scanf ("%f",&a);
area=3.14*a*a;
printf ("Area of Circle=%0.6f",area);
printf ("\nArea of Circle=%0.2f",area);
return 0;
}