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How to write a code in C++ to find the area of a circle

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Farhan Chowdhury answered on June 28, 2021 Popularity 6/10 Helpfulness 1/10

answer How to write a code in C++ to find the area of a circle

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How to write a code in C++ to find the area of a circle

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-1

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

int main() {
  cout << "Radius: ";
  double r;
  cin >> r;
  double area = 3.146 * pow(r, 2);
  cout << "The area of the circle is " << area << endl;
}

Popularity 6/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: area c++ find

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Contributed on Jan 15 2023

Farhan Chowdhury

0 Answers Avg Quality 2/10

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Area of a Circle in C++ Programming

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#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;
}

Popularity 9/10 Helpfulness 7/10 Language cpp

Source: devsenv.com

Tags: area

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Contributed on Jun 28 2021

Akash

0 Answers Avg Quality 2/10

C++ area & circumference of a circle

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	int rad;
    float area, circum;

	cout << "Input the radius(1/2 of diameter) of a circle: ";
    cin >> rad;

	area = 3.14 * rad * rad; // 3.14 * (rad * rad);
    circum = 2 * 3.14 * rad;

Popularity 7/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: area c++

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Contributed on Mar 03 2022

Assistant Lola

0 Answers Avg Quality 2/10

C++ Area and Circumference of a Circle

Comment

    float rad,circum,area;
    const float PI = 3.14159265;

    cout<<"Input the radius of the Circle: ";
    cin>>rad;

    circum = 2*PI*rad;
    area = PI*rad*rad;

    cout<<"The Diameter is "<<area<<" and the circumference is "<<circum;

Popularity 8/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: area c++

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Contributed on Mar 10 2022

Assistant Lola

0 Answers Avg Quality 2/10

How to write a code in C++ to find the area of a circle

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How to write a code in C++ to find the area of a circle

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Area of a Circle in C++ Programming

C++ area & circumference of a circle

C++ Area and Circumference of a Circle

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