visual basic c# (Windows Forms App(.NET Framework))

Joe's Pizza Palace needs an application to calculate the number of slices a pizza of any size can be divided into. The application should do the following: 1. Allow the user to enter the diameter of the pizza, in inches. 2. Calculate the number of slices that can be cut from a pizza that size. 3. Display a message that indicates the number of slices. Pizza Slice Calculator Diameter of Pizza (inches) Number of Slices Calculate Clear Exit To calculate the number of slices that can be cut from the pizza, you must know the following facts! 14. Each slice should have an area of 14.125 inches, 15. To calculate the number of slices, divide the area of the pizza by 14.125 The area of the pizza is calculated with the following formula: Area - rr2 Note: nt is the Greek letter pl. 3.14159 can be used as its value. The variabler is the radius of the pizza. Divide the diameter by 2 to get the radius. If the user fails to enter numeric values, display an appropriate error message and do not attempt to perform calculations. Pizza Slice Calculator Diameter of Pizza (inches): eight Number of Slices: Calculate Clear Please input a number Use the following test data to determine if the application is calculating properly: Number of Slices 27 Diameter of Pizza 22 inches 15 inches 12 inches 13 8 - Hint: To round the calculation results, declare the slice variable as Integer, while all other variables are double. To assign the Double calculation results to a Integer slice variable, you can use a Math Round( 0) function and this function will automatically round the decimal values