question_answer

The ratio of the length of a rectangle to its breadth is \[\text{3}:\text{1}.\] If the perimeter of the rectangle is 56 cm, what is the area of the rectangle?

A)  \[49\,c{{m}^{2}}\]                          

B)  \[147\,c{{m}^{2}}\]

C)  \[81\,c{{m}^{2}}\]          

D)         \[441\,c{{m}^{2}}\]