program calculate the area and circumference of circle using function (POP) (152)

#include<iostream>

using namespace std;

float area(float);

float circum(float);

int main()

{

        int radius;   

        cout<<"\n Enter Radius of Circle: ";

        cin>>radius;

        area(radius);

        circum(radius);

        cout<<"\n Area of Circle : "<<area(radius);

        cout<<"\n Circumference of Circle : "<<circum(radius);

}

float area(float radius)

{

        return (3.14 * radius * radius);

}

float circum(float radius)

{

        return(2 * 3.14 * radius);

}