C++ Please help. Whenever I try to make a function for each formula(like using the area of a shape for a function) so that I can use it in relation to the program, there is always some kind of error t Write a program that displays the following menu: Geometry Calculator 1. Calculate the Area of a Rectangle 2. Calculate the Area of a Triangle 3. Calculate the Area of a Circle 4. Quit Enter your choi 1 answer