11 . Which option is correct? Show work please

D Question 11 4 pts A farmer plans to fence a rectangular pasture adjacent to a river (see the figure below). The pasture must contain 720,000 square meters in order to provide enough grass for the herd. No fencing is needed along the river. What dimensions will require the least amount of fencing? O x- 720 and y = 1,000 none of the above Ox = 1,000 and y = 720 O x =1,200 and y = 600 O x = 600 and y = 1,200