Define value of pi and find radius
Dear Student here you learn How to find Define value of pi and find radius using C, Here we only provide a demo for your Understanding, now try it in your Way.
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#include <stdio.h>
#define pi 3.14
int main()
{
int r;
float area,result;
printf("Enter radius = ");
scanf("%d",&r);
area=pi*r*r;
result=area/1000000;
printf(" Area = %f",area);
printf("\n The area is equal to %fKm²", result);
return result;
}
Output
Enter Radius =
2nd Run (Now Input the Value of Radius)
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