Friday, 9 May 2014

Write a program to calculate area of circle

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#include<iostream>
#include<conio.h>
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;
    getch();
getch();
}
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