# Thread: Why are there 360º in a circle?

1. ## Why are there 360º in a circle?

"Peter Sheppard" <usenet@petersheppard.com> wrote in message
news:4h7vdqF1qkguoU1@individual.net...

When I show my kids that, they double over laughing when I get to four.

:-(

2. ## Why are there 360º in a circle?

Peter Sheppard wrote:

And on the other hand.. would they need two to, too?

Bend your fingers a little, count from the tip of the finger to each
crease all the way to the wrist. How many is that?

Then count palm down.

3. ## Why are there 360º in a circle?

>>> You can count to six with one hand.

What about 390 on two hands...?

4. ## Why are there 360º in a circle?

m wrote:

Probably it was just an arbitrary pick, but it does
make it easy to divide a circle evenly by a wide
variety of integers.

5. ## Why are there 360º in a circle?

"Peter Sheppard" <usenet@petersheppard.com> wrote in message
news:4hal0lF1psiutU1@individual.net...

I am never so vulgar - or at least aggressive.
(it hurts my fingers)

--
Jeff R.
(and let's not mention 11-bit bytes)

6. ## Why are there 360º in a circle?

, dated Mon, 3 Jul 2006 09:19:38 remote, seen in news:uk.sci.astronomy,
m <mixi.mo@virgin.net> posted :

It is ascribed by Peter Kemp to Pythagoras; and by Norman Feather to
Ptolemy of Alexandria.

NF says that the early Chinese had 365 1/4 degrees in a circle - an
obvious astronomical link. The Chaldeans used sexagesimal arithmetic,
and thus 360 is a reasonable rationalisation; probably 0.1 deg would
have been inconveniently small.

It ties in with the Babylonian division of the day.

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