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.

Wap in C to find Radius of Circle

#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)

Define value of pi and find radius
Define value of pi and find radius

Draw Rainbow in C using Graphics (click)

Defined Pi in C

Define value of pi and find radius
Define value of pi and find radius

Thank You

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