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//program to create two functions to calculate area and perimeter of rectangle (length and breadth of rectangle are passed to functions as arguments) #include<iostream.h> #include<conio.h> void area(int,int); void perimeter(int,int); void area(int length,int breadth) { int ar; ar=length*breadth; cout<<"area of rectangle is "<<ar; } void perimeter(int length,int breadth) { int per; per=2*(length+breadth); cout<<"perimeter of rectangle is "<<per; } void main() { int l,b; clrscr(); cout<<"enter length of rectangle"; cin>>l; cout<<"enter breadth of rectangle"; cin>>b; area(l,b); perimeter(l,b); getch(); }