C++

Exercise 1 The square. In one program, write 3 separate functions, and use them. Prompt the user for the length of one side of the square. Use it as input for the following 3 functions Test length of side sizes: 5, 42, 12.30 Calculate area of square, 1 input parameter radius. calcArea Calculate diameter of square, 1 input parameter radius: calcDiameter Calculate circumference of square, 1 input parameter radius: calcCircumference Use filename: Week14YourNameProg1squareFn