question_answer

A rectangular sheet of cardboard is 4 cm by 2 cm. The greatest possible circle is cut off from the cardboard, then the remaining area is

A) \[\left( \text{16}-\pi  \right)\text{ c}{{\text{m}}^{\text{2}}}\]                    

B)  \[\left( \text{16}-\text{4}\pi  \right)\text{c}{{\text{m}}^{\text{2}}}\]

C) \[\left( \text{8}-\pi  \right)\text{c}{{\text{m}}^{\text{2}}}\]                          

D)  \[\left( \text{8}-\text{4}\pi  \right)\text{c}{{\text{m}}^{\text{2}}}\]