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Thread: Forgot a formula.......

  1. #1
    Join Date
    Dec 2008
    Location
    Northern Michigan
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    4,973

    Forgot a formula.......

    I had all the formulas I use written on the wall in my old shop, and they painted the wall before I copied them.

    I need the formula for finding the radius of a partial circle when you have the bottom cord and the height to the top of the arch.

    Thanks, and good charma to the one who answers. You may want to run out and buy a lottery ticket after you answer!

    Larry

  2. #2
    You have the entire Internet at your disposal......????


    Bad search engin?





    B,

  3. #3
    Join Date
    Mar 2009
    Location
    Sterling, Virginia
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    I believe it is 1/2 cord squared + the height squared divided by 2 times the height.

  4. #4
    Join Date
    May 2012
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    Glenmoore Pa.
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  5. #5
    This is correct and pluperfect in that it is the shortest version of this formula.

  6. #6
    Join Date
    Dec 2008
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    Quote Originally Posted by Brian Weick View Post
    You have the entire Internet at your disposal......????


    Bad search engin?





    B,
    Spell check not working?

  7. #7
    Join Date
    Dec 2008
    Location
    Northern Michigan
    Posts
    4,973
    Quote Originally Posted by Walter Plummer View Post
    I believe it is 1/2 cord squared + the height squared divided by 2 times the height.
    Thanks Walter. I thought I could remember but wanted confirmation. Go get that lottery ticket....

    Larry

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