Eassignment, write a program that write a program that displays the following menu: geometry calculator1. calculate the area of a circle2. calculate the area of a rectangle 3. calculate the area of a triangle4. quitenter your choice (1-4): if the user enters 1, the program should ask for the radius of the circle and then display its area. use the following formula: area = π r2use 3.14159 for π and the radius of the circle for r. if the user enters 2, the program should ask for the length and width of the rectangle andthen display the rectangle’s area. use the following formula: area = length * width