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PI=3.14 PLEASE HELP! MATH PAPER

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EMSFD125
 
Reply Mon 22 Nov, 2004 05:17 pm
What professions use pi??
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Type: Discussion • Score: 1 • Views: 2,271 • Replies: 21
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InTraNsiTiOn
 
  1  
Reply Mon 22 Nov, 2004 06:26 pm
R squared x pi = area

It is used in forestry to well obviosly, find out how big an area of forest is.
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farmerman
 
  1  
Reply Mon 22 Nov, 2004 06:57 pm
bakeries
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Einherjar
 
  1  
Reply Mon 22 Nov, 2004 07:31 pm
Electricians working with dynamoes and electric motors. Whoever designs stuff that contains dynamoes or electric motors.
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Adrian
 
  1  
Reply Mon 22 Nov, 2004 07:42 pm
Boilermakers.
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raprap
 
  1  
Reply Mon 22 Nov, 2004 07:47 pm
It would be harder to name professions that don't use pi.

Rich man, poor man, beggar man, thief,
Doctor, lawyer, Indian Chief--they all use pi.

Rap
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Joe Nation
 
  1  
Reply Mon 22 Nov, 2004 07:54 pm
Contractors: when trying to estimate how much wire is left on a roll.
C=piD. Count the number of winds, measure the average diameter, multiply Voila, a measurement that is pretty accurate.
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farmerman
 
  1  
Reply Mon 22 Nov, 2004 11:45 pm
mathematicians
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ebrown p
 
  1  
Reply Tue 23 Nov, 2004 06:17 am
Writers of Greek literature.
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farmerman
 
  1  
Reply Tue 23 Nov, 2004 04:35 pm
people practicing circular reasoning
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Einherjar
 
  1  
Reply Wed 24 Nov, 2004 08:52 am
farmerman wrote:
people practicing circular reasoning


Gold
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engineer
 
  1  
Reply Wed 24 Nov, 2004 02:25 pm
Neat Pi Fact
Here's an interesting PI factoid. Everyone knows about 22/7 as an approximation for PI, but the Chinese came up with 355/113 which is MUCH more accurate.
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ebrown p
 
  1  
Reply Wed 24 Nov, 2004 02:42 pm
Truth be told, 3 is really good enough.
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raprap
 
  1  
Reply Wed 24 Nov, 2004 08:24 pm
By act of legislation Indiana says that Pi=22/7.

However; the bible says {1 Kings 7:23} "He [Solomon] made the Sea of cast metal, circular in shape, measuring ten cubits from rim to rim and five cubits high. It took a line of thirty cubits to measure around it."

So 3 it is! Get right wit it, yer heathern Hoosiers..

Rap
0 Replies
 
Vengoropatubus
 
  1  
Reply Wed 24 Nov, 2004 11:15 pm
raprap wrote:
By act of legislation Indiana says that Pi=22/7.

However; the bible says {1 Kings 7:23} "He [Solomon] made the Sea of cast metal, circular in shape, measuring ten cubits from rim to rim and five cubits high. It took a line of thirty cubits to measure around it."

So 3 it is! Get right wit it, yer heathern Hoosiers..

Rap


My copy says "Huram made a round tank of bronze 7.5 ft deep, 15 feet in diameter and 45 feet in circumference.." but i suppose the general point is the same.

P.S. it just occured to me that McDonalds never uses fat actors in their commercials. Interesting...

Edit: P.P.S.: I forgot the proof process for the circumference of a circle. Would anyone care to refresh my memory?
0 Replies
 
Jim
 
  1  
Reply Thu 25 Nov, 2004 12:55 am
Engineers.
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satt fs
 
  1  
Reply Thu 25 Nov, 2004 01:46 am
music industry
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puffthemajicdragonallday
 
  1  
Reply Thu 30 Dec, 2004 12:22 am
i had to use pi while laying carpet once and sat in my van doing the math and marveling about how i had been forced to use pi... FOR carpetlaying!!! Layed carpets for fourteen years before i needed it, but when i did, i sure was happy i had learned it.
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Brandon9000
 
  1  
Reply Thu 30 Dec, 2004 02:33 am
Pi shows up in the equations of just about every branch of physical science, including formulas that are not in any obvious way connected with circles.
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farmerman
 
  1  
Reply Thu 30 Dec, 2004 06:30 am
remember that pi are not squared, pie are round
0 Replies
 
 

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