this needs to be written in C language

Take two integer numbers from user (as keyboard input) and complete the followings 3 functions: float AreaRect(int side1, int side2)/* Calculate area of a rectangle using formula Area- side1*side2, and print the result float AreaCircle(int radius) /* Calculate area of a circle using formula Area- *radius* radius, and print the result*/ float AreaCylinder(int radius, int height) /* Calculate area of a rectangle using formula Area= *radius*height, and print the result You may not need rigorous error checking Make sure you have the following structures to get full marks: Separate Function declaration on the top of main You called the function inside the main You have defined the functions outside the main Separately In line comments (only for the coding NOT on paper) Print your results for 3 decimal points only