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 CEO of the multi-national company is interested in maximizing the area of the whole floor including the semi-circular ends. For this to happen the valve of x should be

Options

A. 0 m
B. 30 m
C. 50 m
D. 80 m

Answer

A