Two airplanes leave an airport at the same time. An hour later, the planes are 242 km apart. If one plane has traveled 221 km and the other has traveled 248 km during the hour, find the angle 0 between their flight paths. See the figure below. 242 km 248 km 221 km 0 Airport Carry your intermediate computations to at least four decimal places. Round your answer to the nearest tenth of a degree. X

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