If a central angle with its vertex at the center of the earth has a measure of 1', then the arc on the surface of the earth that is cut off by this angle (known as the great circle distance) has a measure of 1 nautical mile (see the figure below). If two ships are 110 nautical miles apart on the ocean, what is the great circle distance between them in radians? (Round your answer to two decimal places.) rad

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