How many feet of rope do you need to go around one square Acer?

Answer 1

An acer is a type of tree (of the same family as the maple) and the length of rope required to go around it depends on the shape of its trunk! Unless, of course, the rope is required to go around at a specific height.

If, instead of acer you meant an acre, the question has no answer, because a square acre is a measure in 4-dimensional hyperspace.