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SidneyCarton Donating Member (1000+ posts) Send PM | Profile | Ignore Tue Dec-16-08 05:38 PM
Response to Original message
38. 0.691 inches
Circumference = Pi x Diameter
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  -A simple math problem Orrex  Dec-16-08 10:54 AM   #0 
  - There is no such thing as a "simple" math problem, friend.  Dangerously Amused   Dec-16-08 11:03 AM   #1 
  - You silly person. In mathland wire doesn't bend.  hunter   Dec-16-08 11:06 AM   #2 
  - it is  Ptah   Dec-16-08 11:19 AM   #3 
  - uhm....  Tuesday Afternoon   Dec-16-08 11:20 AM   #4 
  - Perhaps the thickness of the wire.  Orsino   Dec-16-08 11:25 AM   #6 
  - you know  Tuesday Afternoon   Dec-16-08 11:28 AM   #8 
  - Once the wire is wrapped around the rod it becomes a hoop with an inner diameter, and outer diamter.  leeroysphits   Dec-16-08 11:27 AM   #7 
  - Oops. Converted everything to Metric.  leeroysphits   Dec-16-08 11:19 PM   #68 
  - Oh my God, yes, you are missing something.  Rabrrrrrr   Dec-16-08 02:52 PM   #29 
     - sounds like I am missing just about  Tuesday Afternoon   Dec-16-08 09:39 PM   #55 
  - .8836"  InternalDialogue   Dec-16-08 11:25 AM   #5 
  - After more thought, you are correct.  Ptah   Dec-16-08 11:54 AM   #13 
  - When Ptah says I'm correct, I know I did something right.  InternalDialogue   Dec-16-08 12:10 PM   #15 
  - That was the answer that I got, but I wasn't sure about my method  Orrex   Dec-16-08 01:09 PM   #18 
  - won't points be deducted for not giving the answer in fraction  Tuesday Afternoon   Dec-16-08 10:17 PM   #59 
     - That is expressed in fractions  Ptah   Dec-16-08 10:20 PM   #60 
     - won't that reduce?  Tuesday Afternoon   Dec-16-08 10:21 PM   #61 
        - No advantage to be gained by reducing.  Ptah   Dec-16-08 10:25 PM   #63 
           - good to know...  Tuesday Afternoon   Dec-16-08 10:36 PM   #64 
     - No, but we will take off points for too many significant digits.  Rabrrrrrr   Dec-17-08 10:18 AM   #69 
        - Is that why Sam Neill did that to Holly Hunter in The Piano?  Tuesday Afternoon   Dec-17-08 11:00 AM   #70 
  - just a little over 3/4th of an inch?  PRETZEL   Dec-16-08 11:29 AM   #9 
  - Would it not still be 1/16"?  Shell Beau   Dec-16-08 11:35 AM   #10 
  - Is it wrapped exactly perpendicular to the length of the rod?  InternalDialogue   Dec-16-08 11:39 AM   #11 
  - Let's say yes  Orrex   Dec-16-08 01:23 PM   #23 
  - Approximately 1.2 inches  KitchenWitch   Dec-16-08 11:43 AM   #12 
  - Is the formula  PRETZEL   Dec-16-08 11:59 AM   #14 
  - Oh, this country showed how obtuse it was when it gave up  Bertha Venation   Dec-16-08 01:45 PM   #24 
  - hm  Ptah   Dec-16-08 02:04 PM   #26 
     - Since it's expressed in fractions, calculate in fractions...  hunter   Dec-16-08 05:17 PM   #34 
        - Yes, three significant digits.  Ptah   Dec-16-08 06:31 PM   #47 
  - Try this:  madinmaryland   Dec-16-08 12:59 PM   #16 
  - That's kind of how I did it  Orrex   Dec-16-08 01:11 PM   #19 
  - My daughter is starting equations (5th grade) and I am relearning all that stuff.  madinmaryland   Dec-16-08 01:19 PM   #22 
     - same thing happened to me.  Jamastiene   Dec-16-08 11:04 PM   #66 
  - pi * 9/64 = 0.4418  Ptah   Dec-16-08 01:13 PM   #20 
     - 0.44188 * 2 = .8836  madinmaryland   Dec-16-08 01:17 PM   #21 
     - Mmmmmm. Pi.  Generic Brad   Dec-16-08 08:52 PM   #52 
  - Add the diameter of the wire and the rod, and multiply by pi.  billyskank   Dec-16-08 01:00 PM   #17 
  - Correct.  Ptah   Dec-16-08 02:07 PM   #27 
  - I thought it was the diameter of the rod and half the diameter of the wire?  Orrex   Dec-16-08 05:36 PM   #37 
     - billyskank is correct.  Ptah   Dec-16-08 05:41 PM   #40 
        - Ah--now I see! The apples/oranges thing makes sense to me, for once  Orrex   Dec-16-08 05:51 PM   #42 
           - As you can see, that was my mistake re: #8  Ptah   Dec-16-08 06:01 PM   #44 
  - oops! that was my mistake.  SidneyCarton   Dec-16-08 05:40 PM   #39 
  - (2/32 + 7/32) * 101/32  hunter   Dec-17-08 12:02 PM   #71 
  - Unknown  pokerfan   Dec-16-08 01:58 PM   #25 
  - Ahem. Looks like somebody didn't read the OP  Orrex   Dec-16-08 05:32 PM   #35 
     - I read the OP  pokerfan   Dec-16-08 06:47 PM   #48 
        - :eyes:  Orrex   Dec-16-08 08:16 PM   #49 
        - Then that's different  pokerfan   Dec-16-08 08:31 PM   #51 
        - pokerfan -- That was my first thought, too  Tuesday Afternoon   Dec-16-08 09:38 PM   #54 
           - vindication!  pokerfan   Dec-16-08 09:56 PM   #56 
              - Pfft. She's obviously insane.  Orrex   Dec-16-08 10:00 PM   #58 
                 - so tempted am I ...  Tuesday Afternoon   Dec-16-08 10:37 PM   #65 
  - 3.214 feet.  dbaker41   Dec-16-08 02:51 PM   #28 
  - Length depends on where you measure the outside wire -  Rabrrrrrr   Dec-16-08 03:05 PM   #30 
  - Indeed.  LynzM   Dec-17-08 12:39 PM   #72 
  - Never mind.  Writer   Dec-16-08 03:11 PM   #31 
  - Can't help but mind.  billyskank   Dec-16-08 05:33 PM   #36 
  - So, how does a nice straight wire become a donut?  hunter   Dec-16-08 03:55 PM   #32 
  - That's exactly what happens, hunter.  Ptah   Dec-16-08 04:01 PM   #33 
  - 0.691 inches  SidneyCarton   Dec-16-08 05:38 PM   #38 
  - What diameter are you using?  Ptah   Dec-16-08 05:42 PM   #41 
     - The diameter of the dowel.  SidneyCarton   Dec-16-08 06:22 PM   #45 
  - Thanks for chiming in, everyone!  Orrex   Dec-16-08 05:51 PM   #43 
  - Since we're dealing with such small quantities  peruban   Dec-16-08 06:28 PM   #46 
  - It's to get an estimate on the linear footage of wire in a piece of chainmail  Orrex   Dec-16-08 08:17 PM   #50 
     - If it's chain/mail we're talking about  peruban   Dec-16-08 09:02 PM   #53 
     - Thanks for the tips, but...  Orrex   Dec-16-08 10:00 PM   #57 
        - Hand cranking is tedious, I completely agree.  peruban   Dec-16-08 10:24 PM   #62 
     - 2356 feet, approximately  Ptah   Dec-16-08 11:16 PM   #67 
  - I'm going to bubble in "C" for this problem  Bucky   Dec-17-08 12:54 PM   #73 
 

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