#include<stdio.h>
#include<conio.h>
void main()
{
float a,r;
printf("\n Enter the Radious:");
scanf("%f", &r);
a=pi*r*r;
printf("\n area of the cicrle is %f", a);
getch(0;
}
#include<conio.h>
void main()
{
float a,r;
printf("\n Enter the Radious:");
scanf("%f", &r);
a=pi*r*r;
printf("\n area of the cicrle is %f", a);
getch(0;
}
| Enter the radius :4 area of circle:50.12 |
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