Which of the Following Is the Java Equivalent of the Following

Which of the following is the Java equivalent of the following mathematical expression?
P = 2 . $\pi$ .(radius) ³

A) p = 2 * Math.PI * (radius * 3) ;
B) p = Math.PI * Math.pow(3, radius) ;
C) p = 2 * Math.PI * Math.pow(radius, 3) ;
D) p = 2 * Math.pow(Math.PI * radius, 3) ;