A bearing of 070 degrees

  1. Jan 10, 2010 #1
    I have to answer a question which states:
    "a ship sails on a bearing of 070 degrees for 120 km. Draw a diagram to show this".
    Does this mean 70 degrees from the horizontal, so that I would measure 070 degrees by placing my protractor down flat and level in front of me?
     
  2. jcsd
  3. Jan 10, 2010 #2

    Borek

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    Staff: Mentor

    North is zero.
     
  4. Jan 11, 2010 #3
    Thanks Borek
    So just to clarify, "on a bearing of 070 degrees for 120 km" means 70 degrees from the vertical line (heading north), or 20 degrees from the horizontal line (heading east). Is that right?
     
  5. Jan 11, 2010 #4

    Borek

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    I am not a licensed navigator, so I can be wrong :smile: but that's my take.
     
  6. Jan 11, 2010 #5

    HallsofIvy

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    Yes, it is standard usage to put "North" upward on a map so a "bearing of 70 degrees" would be 70 degrees from a vertical (upward) line which is the same as 90- 70= 20 degrees from a horizontal (to the right) line. That could also be referred to as "East, 20 degrees North".
     
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