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ship can use its angle of elevation to a lighthouse in order to determine how far it is from the shore. A boat starts at point A and finds the angle of elevation to the lighthouse measures 28". After traveling 3.2 miles towards the lighthouse, the angle of elevation now measures 36º. Determine the distance, d, the boat is from the base of the lighthouse to the nearest hundred feet. There are 5,280 feet in one mile.
