Develop a program that will calculate the area and perimeter of a rectangle. the length and width can be given as constant.(length= 8 width=8).

#include <iostream>

using namespace std;

int main()

{

  int length = 8;

  int width = 8;

  int perimeter = 2*(length + width);

  int area = length * width;

  cout<<"The perimeter is "<<perimeter<<endl;

  cout<<"The area is "<<area<<endl;

  return 0;

}

Explanation:

include the library iostream for using the input/output instructions in the c++ programming.

Create the main function and define the variable length and width with values.

Then, use the formula for calculating the perimeter and area of rectangle.

and store in the variables and finally print the output.

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