Question

7. Consider a function definition of calc Perimeter in the program segment given in Figure 17. float calcPerimeter (float width, float height) float perimeter; perimeter 2. (width + height); return (perimeter); Figure 17 a) Modify function definition calc Perimeter to pass argument perimeter by reference b) Write a function call for function calc Perimeter after modification in (a).

Answer 1

$\small \color{blue}Answer:\;\;$

a)
float calcPerimeter(float width, float height, float &perimeter) {
    perimeter = 2*(width + height);
}

b)
float perimeter;
calcPerimeter(4, 7, perimeter);
cout << perimeter << endl;