this is computer science 1428 course in C++

please give me detailed answer for me to study. thank you.

Write a rectangle simulator that asks the user for. the following pieces of information: width (intense) Height (integer) Symbol (character) that perform the following tasks. Area and perimeter functions should accept two arguments, which are the width and height that the user entered during the incut phase of the program. In addition to height and width, your picture will have a third parameter to pass the desired to he printed a. int. area (int., int.) returns the result. b. int. perimeter (int., int.) - Compute the perimeter of the user's rectangle and reams the result- c. void picture (int, int., char) - Draw the user's rectangle using the user's symbol IMPORTANT! Only picture() should print anything to the screen. The mam function should handle all after console output