Program to find Circumference of a Circle in C++

C++Server Side ProgrammingProgramming

In this tutorial, we will be discussing a program to find circumference of a circle.

For this we will be provided with the radius of the circle. Our task is to calculate and print the circumference of that circle.

Example

 Live Demo

#include<bits/stdc++.h>
using namespace std;
#define PI 3.1415
double circumference(double r){
   double cir = 2*PI*r;
   return cir;
}
int main(){
   double r = 5;
   cout << "Circumference : " << circumference(r);
   return 0;
}

Output

Circumference : 31.415
raja
Published on 14-Apr-2020 12:20:28
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