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A sheet gives the grid convergence as 1 degree east and the magnetic declination as 3 degrees west of true north. What is the angle between grid north and magnetic north?

  • A.1 degree
  • B.4 degrees
  • C.2 degrees
  • D.3 degrees

Answer: B

Grid north lies 1 degree east of true north and magnetic north 3 degrees west of it, so the two are separated by 4 degrees in all. Because the two deviations fall on opposite sides of true north they add together rather than cancelling one another out.

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