The Federal Aviation Administration (FAA) requires that airplanes flying at the same altitude maintain a distance...

  

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The Federal Aviation Administration (FAA) requires that airplanes flying at the same altitude maintain a distance of at least 15,840 feet. An air traffic controller monitors a display of airplane locations in a coordinate grid. She observes two planes, labeled A and B in the following figure, flying at the same altitude. Each unit on the display represents 2,000 feet. 3. 2. A 1 1 -1 -2- -3 +2 B 4 -5 10 Should the air traffic controller alert the planes that they are flying too close? The Federal Aviation Administration (FAA) requires that airplanes flying at the same altitude maintain a distance of at least 15,840 feet. An air traffic controller monitors a display of airplane locations in a coordinate grid. She observes two planes, labeled A and B in the following figure, flying at the same altitude. Each unit on the display represents 2,000 feet. 3. 2. A 1 1 -1 -2- -3 +2 B 4 -5 10 Should the air traffic controller alert the planes that they are flying too close?