/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

0 vote270 views1 answer
Access part of string in c++
C++
10 votes263 views2 answers
C++ convert binary string to decimal
C++
0 vote251 views1 answer
Write C++ program that will ask to choose from three cases.
C++
6 votes303 views1 answer
C++ create threads
C++
2 votes250 views2 answers
Count bits c++
C++
3 votes255 views2 answers
Pre increment vs post increment c++
C++
1 vote260 views2 answers
C++ array sort method
C++
8 votes429 views5 answers
Initialize vector c++
C++
4 votes266 views2 answers
C++ cin operator
C++
0 vote249 views1 answer
Ala vida
C++