In a stadium a running track of 440 m is to be laid out enclosing field. The shape of track is a rectangle with a semi-circle at each end. They want to keep maximum area of rectangular portion.

Given answer of the question:
Show the relationship of y in terms of x if x+y represents the length and breadth of rectangular field:

Options

A. `(440-2x)/pi`
B. `(2x-440)/pi`
C. `(440-x)/pi`
D. `(x-440)/pi`

Answer

A