question_answer

The perimeter of a rhombus is 100 cm and one of the diagonals is 40 cm. Then the area of the rhombus is

A) \[\text{1}000\text{ c}{{\text{m}}^{\text{2}}}\]                  

B)  \[\text{5}00\text{ c}{{\text{m}}^{\text{2}}}\]

C) \[\text{12}00\text{ c}{{\text{m}}^{\text{2}}}\]          

D)        \[\text{6}00\text{c}{{\text{m}}^{\text{2}}}\]