A rectangular building covering 1,600 m2 is to be built on a lot as shown to the right. If the building is to be 50 m from the boundary on each side and 20 m from the boundary in front and back, nd the dimensions of the building if the area of the lot is to be minimized. 50m 50m The dimensions are D m. (Use a comma to separate answers as needed. Type integers or decimals rounded to one decimal place as needed.)