/C++/Area of a Circle in C++ Programming

Area of a Circle in C++ Programming

#include <iostream>
#include <iomanip>
using namespace std;

int main(){
    double R,A;
    cin >> R;
    A = 3.14159 * R * R;
    cout << "A=" << fixed << setprecision(4) << A << endl;
    return 0;
}

Source: devsenv.com

Similar codes

2 votes181 views1 answer
C++ custom compare in set
C++
1 vote237 views1 answer
C++ milliseconds
C++
31 votes132 views1 answer
When to use struct vs class c++
C++
4 votes160 views2 answers
Sqrt cpp
C++
0 vote183 views1 answer
Advanced c++ topics
C++
0 vote265 views1 answer
Ind the number of digits of a given integer n .
C++
0 vote181 views1 answer
Hz
C++
5 votes181 views1 answer
C++ all in one header file
C++
0 vote193 views1 answer
C++ tab
C++
0 vote171 views1 answer
Why we use iostream in C++ programming
C++