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Type: Multiple-Choice
Category: Trigonometry
Level: Grade 11
Standards: HSG-SRT.D.11
Author: nsharp1
Last Modified: 2 months ago

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Trigonometry Question

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Grade 11 Trigonometry CCSS: HSG-SRT.D.11

Two airplanes are approaching an airport. They are 56 km apart and flying at the same altitude. The first plane is 64 km away from the airport (in line of sight distance), and the second plane is 77 km away from the airport (in line of sight distance). If someone is standing at the airport, what is the angle between the line of sight from the first airplane to the line of sight of the second airplane, rounded to the nearest tenth of a degree?
  1. 45.7°
  2. 54.8°
  3. 79.5°
  4. 97.6°
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