Set 1 -Solution Number 8

   

        HOw To Find Area Of Circle Using C++ Program

Coding:

#include<iostream>
using namespace std;

int main()
{
 float r,area;
 cout<< "\nEnter radius of circle : ";

 cin>>r;
 area = 3.14*r*r;

 cout<<"Area of circle : "<<area;
 
 

 return 0;
}

Enter radius of circle : 7
Area of circle : 153.86

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