What is meant by quadrilateral?
A shape which has four straight sides is called quadrilateral shape
What is meant by Rectangle or Parallelogram?
Such a quadrilateral which has four right angles (angle 90 Degree) triangle is called rectangle
Formula:
Area of rectangle: height*width
Perimeter of rectangle: 2*(height+width)
C++ Program
#include<iostream>
using namespace std;
int main() {
int width,height,area,perimeter;
cout<<"Enter Width of Rectangle = ";
cin>>width;
cout<<"Enter Height of Rectangle = ";
cin>>height;
area=height*width;
cout<<"Area of Rectangle ="<<area<<endl;
perimeter=2*(height+width);
cout<<" Perimeter of rectangle are = "<<perimeter<<endl;
return 0;
}