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Talk Porty ~ Portobello Forum for Portobello in Edinburgh, Scotland 2010-08-11T19:50:50+01:00 https://forum.talkporty.org/feed.php?f=2&t=4984 2010-08-11T19:50:50+01:00 2010-08-11T19:50:50+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85047#p85047 <![CDATA[geometric challenge]]>
So four of my beach ball panels, with artwork applied, would look a bit like this:



Two would look like this:



And the remaining two would look like this:




Great! Now I can print them off, cut them out and make a scale model.

Statistics: Posted by Bob Jefferson — 11 Aug 2010, 19:50

]]> 2010-08-11T17:48:55+01:00 2010-08-11T17:48:55+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85041#p85041 <![CDATA[geometric challenge]]> like chocolate orange segments

Statistics: Posted by SoupDragon — 11 Aug 2010, 17:48

]]> 2010-08-11T17:01:20+01:00 2010-08-11T17:01:20+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85039#p85039 <![CDATA[geometric challenge]]> Statistics: Posted by seanie — 11 Aug 2010, 17:01

]]> 2010-08-11T16:16:29+01:00 2010-08-11T16:16:29+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85037#p85037 <![CDATA[geometric challenge]]> You have a beach ball made up of 8 panels
The diameter of this beach ball is 6
You want to know the size of a panel you wish to draw from this info?

Would your beach ball panel not need to be oval or rather, elliptical?
( ah , you did say at widest )


The one in my head is now mangled and rather concave after being jumped on in frustration

right so circumference is pi x diameter so thats 3.14 x 6 = 18.84
divide by number of panels is 18.84/8 = 2.355

and length is 18.84/2 = 9.42

but I'm baffled as to how to calculate where to put the pins to follow
of drawing the ellipse

Statistics: Posted by SoupDragon — 11 Aug 2010, 16:16

]]> 2010-08-11T15:40:57+01:00 2010-08-11T15:40:57+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85036#p85036 <![CDATA[geometric challenge]]> Statistics: Posted by rmolehusband — 11 Aug 2010, 15:40

]]> 2010-08-11T10:47:27+01:00 2010-08-11T10:47:27+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85033#p85033 <![CDATA[geometric challenge]]> > units in diameter. My maths is a bit ropey but would I be right in saying
> that, taking pi to be 3.14, it would be 9.42 long and 2.355 at its widest
> point?

> Does anyone have the means of drawing such a shape and if so could
> they post it here please. There is a point to all this - honest!


My maths is good, but I'm not sure I understand the problem...

You have 8 panels, yeah? And you want to draw a beach ball on these 8 panels? Are the panels arranged 2x4? Or 1x8? What's a "unit"?

Statistics: Posted by Bazza — 11 Aug 2010, 10:47

]]> 2010-08-10T20:59:03+01:00 2010-08-10T20:59:03+01:00 https://forum.talkporty.org/viewtopic.php?t=4984&p=85020#p85020 <![CDATA[geometric challenge]]> Statistics: Posted by Bob Jefferson — 10 Aug 2010, 20:59

]]>