Calculates the area of a circle based on a radius inputted by the user. : Double « Data Type « C++






  1. C++
  2. Data Type
  3. Double

Calculates the area of a circle based on a radius inputted by the user.

 
#include <iostream>
#include <cmath>
using namespace std;
int main(void)
{
   double radius, area;
   cout << "Enter radius of circle: ";
   cin >> radius;
   area = 3.14159 * pow(radius, 2);
   cout << "The area is " << area << endl;
   return 0;
}








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