Consider the following statements (i) Circumference C of a circle of radius r given by\[C=2\pi r.\] (ii) Circumference C of a circle of radius r given by\[\pi {{r}^{2}}.\] (iii) Area of a circle of radius r is given by \[A=\pi {{r}^{2}}.\] Which of the statement is/are correct?

• A. only (i) and (ii)
• B. only (ii) and (iii)
• C. only (iii) and (i)
• D. all are correct