in c program

a) Write a program that calculates the diameter d, volume v and weight g of a sphere of radius r and density p (rho) using a single function. The user should enter r and p. Input and output should be executed as shown in the example below. Input and output take place in the main program. Output the results with two decimal places. The name of the function should be kugel. Note: d,v, and g must be calculated with exactly one function, other