Ok, time for ME to go back to Geometry class.... Paul M.
----- Original Message ----- From: "Wolfgang Holzinger" <[email protected]> To: <[email protected]> Sent: Monday, March 23, 2009 11:21 PM Subject: [Papermodels II 35211] Re: Need help with how to measure correctly... > Hi abbe > >> I'm kind of new to this and need some help. I am trying to make a >> straight piece so I can put it around a circle (like how a drum would >> look)- can you tell me how I should mathematically measure this >> please? Anyone know? I remember that it's a formula of some sort- just >> forgot what it was. Thanks ahead of time. Also, I am creating a hand >> our of paper and it's not going to well I am having problems >> determining how to measure for some of the fingers? Anyone have any >> suggestions? Hope someone will have some very good advice for me here. > Let me see if I got you right (take a look at the attached > picture): > - you have the circle plate (green color) with a radius (white) > - you want to make the strip (yellow part) and need the length of it > If that is all you can calculate: > length of strip: l > radius of circle plate: r > pi is a mathematical constant: 3.141592653... > (If you don't know the number there is an easy way to calculate: > take the numbers 1 3 5, double them 113355 and then divide > 355 by 113 resulting in 3.141592920353982301 which is very > close to pi) > > Then the formula is: l = 2 * r * PI > > Hope this helps > > Best regards, Wolfgang > > PS: I found a very good article about the number pi on > wikipedia (http://en.wikipedia.org/wiki/Pi) > > -- > MfG Wolfgang Holzinger > E-Mail: [email protected] > > +--------------------------------------------------+ > | Linux -- because life is too short for a reboot! | > +--------------------------------------------------+ > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Papermodels II" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Papermodels?hl=en -~----------~----~----~----~------~----~------~--~---
