A farmer needs to enclose three sides of a field with a fence (the fourth side is a river). The farmer has 39 meters of fence and wants the field to have an area of 180 sq-meters. What should the dimensions of the field be? (For the purpose of this problem, the width will be the smaller dimension (needing two sides); the length with be the longer dimension (needing one side). Additionally, the length should be as long as possible.)

length = meters
width = meters

Enter your answers as numbers. If necessary, round to the nearest hundredths.