(C++) Write a program to produce the following output. Use a constant for PI (declare it above main). Use a SWITCH STATEMENT.

Choose the shape to find area of: 1. Circle 2. Rectangle 3. Right Triangle 4. Exit Selection: 2 Enter the length: 12.5 Enter the width: 4.2 The area of the rectangle is: 52.50 Choose the shape to find area of: 1. Circle 2. Rectangle 3. Right Triangle 4. Exit Selection: 8 Invalid! Try Again!!! Choose the shape to find area of: 1. Circle 2. Rectangle 3. Right Triangle 4. Exit Selection: 1 Enter the radius: 7.5 The area of the circle is: 176.71 Choose the shape to find area of: 1. Circle 2. Rectangle 3. Right Triangle 4. Exit Selection: 3 Enter the base: 10 Enter the height: 8.4 The area of the right triangle is: 42.00 Choose the shape to find area of: 1. Circle 2. Rectangle 3. Right Triangle 4. Exit Selection: -2 Invalid! Try Again!!! Choose the shape to find area of: 1. Circle 2. Rectangle 3. Right Triangle 4. Exit Selection: 4