An architect designs a building for a multi-national company. The floor consists of a rectangular region with semicircular ends having a perimeter of 200m as shown below:

based on the above information answer the following
The area of the rectangular region A expressed as a function of x is

Options

A. `2/pi (100x -x^2)`
B. `1 / pi (100 x -x^2)`
C. `x/pi (100-x)`
D. `pi y^2 + 2/ pi (100 x -x^2)`

Answer

A