If 1 + x2 represents the redius of circle P and 1 + x = 17,x2x which of the following best approximates the circumference of circle P ?

If 1 + x2 represents the redius of circle P and 1 + x = 17,x2x which o

1.	If 1 + x2 represents the redius of circle P and 1 + x = 17,x2x which of the following best approximates the circumference of circle P ?
A.	287
B.	547
C.	574
D.	278
Answer» D. 278