Triangular Island has a lighthouse at each of its corners, A, C, and N. The perimeter of Triangular Island is 7.4 miles. There is a channel on Triangular Island which is parallel to NC and divides it into two smaller islands: Green Island and Coconut Island. The length of the channel is equal to half of the distance between the lighthouses on Coconut Island. What is the perimeter of Green Island? Green Island Coconut Istand

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