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PI IN C++ WITH CMATH Code Example
PI IN C++ WITH CMATH 
#include <iostream>
#include <cmath>
using namespace std;
float area(int radius) {
   return M_PI * (radius * radius);
}
int main () {
   cout << "Area of a circle with radius 7 unit is: " << area(7);
}
Source: www.tutorialspoint.com



Cpp

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Sub Category:
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