A rancher wants to fence an area of 6 square kilometers in a rectangular field and then divide it in half with a fence parallel to one of the sides of the rectangle. What is the minimum amount of total fencing that the rancher needs? 10 km 20 km 8 km 16 km 12 km s(40)-cos(60) cos Use L'Hopital's Rule to evaluate lim 0→0 12 16 10 00

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