A bearing of 070 degrees

  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. Borek

    Staff: Mentor

    North is zero.
     
  4. 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. Borek

    Staff: Mentor

    I am not a licensed navigator, so I can be wrong :smile: but that's my take.
     
  6. HallsofIvy

    HallsofIvy 40,953
    Staff Emeritus
    Science Advisor

    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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