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How to calculate length of arc?

  1. Jan 17, 2013 #1
    How to calculate length of arc? Please Help!

    First of all, Hi, I'm Brandon! :) 18 Years old currently doing A Levels - Uni End of this year!

    (Not Homework - Coursework!)
    So I have this design of a speaker system for my Product Design course in A-Level.
    There are 3 arcs in my design that I need to know the length of for when my school orders the materials to my specific measurements.

    Here is a picture with measurements of my design from SolidWorks CAD Software.
    [​IMG]

    The arc at the top is 100mm high and the side arcs would be 50mm
    All measurements in mm. I hope this is enough info for you to help me!
     
  2. jcsd
  3. Jan 17, 2013 #2

    jbriggs444

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    Science Advisor

    Re: How to calculate length of arc? Please Help!

    So you know the radius of a circular arc and you know the length of a chord of that arc.

    Can you draw a right triangle anywhere?
     
  4. Jan 17, 2013 #3

    jedishrfu

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    Staff: Mentor

  5. Jan 17, 2013 #4
    Re: How to calculate length of arc? Please Help!

    Thank you Jed! - I thought it must have a feature to do so! - hence why I added that I had used it.

    Thank you very much guys, sorted!
     
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