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1. #include <iostream.h>
using namespace std;
int main ()
{
float a,b,c;
cout<<"Enter the lenght of rectangle:-";
cin>>a;
cout<<"Enter the breadth of rectangle:-";
cin>>b;
cout<<"Enter the radius of circle:-";
cin>>c;
cout<<"The area of the rectengle is:-"<<a*b<<"n";
cout<<"The perimeter of the rectengle is:-"<<2*a+2*b<<"n";
cout<<"The circumference of the circle is:-"<<2*3.14*c<<"n";
cout<<"The area of the circle is:-"<<3.14*c*c<<"n";
system("pause");
}