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    sugar4321's Avatar
    sugar4321 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 26, 2010, 09:48 PM
    How to measure the length of a coin
    Coin size ( length )
    morgaine300's Avatar
    morgaine300 Posts: 6,561, Reputation: 276
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    #2

    Jun 27, 2010, 04:23 AM

    A coin is round and doesn't have a length. I'm assuming you mean the diameter.

    What do you mean by "how" do you measure it?
    JK191's Avatar
    JK191 Posts: 151, Reputation: 31
    Junior Member
    		  
    #3

    Jun 27, 2010, 11:12 AM

    Simple, you measure its diameter then proceed to use the following:

    2 * pi * r where r is half the diameter. This gives you the perimeter of the coin which I suppose is what you meant by length.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Jul 1, 2010, 03:01 AM

    And if you want a precise measurement, you can make use of a pair of vernier callipers.
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