1 Write a C++ program to calculate a rectangle's area. The program consists of the following function: • getLength This function should ask the user to enter the rectangle's length, and then returns...

Extracted text: 1 Write a C++ program to calculate a rectangle's area. The program consists of the following function: • getLength This function should ask the user to enter the rectangle's length, and then returns that value as a double • getWidth - This function should ask the user to enter the rectangle's width, and then returns that value as a double. getArea – This function should accept the rectangle's length and width as arguments and return the rectangle's area. • displayData – This function should accept the rectangle's length, width and area as arguments, and display them in an appropriate message on the screen. main – This function consists of calls to the above functions.