1) a rectangular backyard playpen for child is to be enclosed with 16 m of fliexible fencing. what dimensions of the rectangle will provide the maximum area for the child to play?
2) a rectangular corral is to be enclosed along the side of a horse barn with the barn serving as one side of the corral. what dimensions of the corral using 40 m of fencing, will enclose the maximum area for the horses?
3) a rectangular garden plot requires an area of 32 m squared ...for the variety of vegetables that are tobe planted. what dimensions of the plot will use the lead amount of fencing to enclose the garden?