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Xpress411's avatar

What is an enneagram?

Asked by Xpress411 (120points) January 31st, 2008

Wikipedia is pretty slim on information for this. Is it important for mathematics? Why do some people use if for personality typing?

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4 Answers

gailcalled's avatar

My college classmate, Judith R. Searle wrote the definitive book and gives workshops.


Xpress411's avatar

I’m looking for the mathematical meaning. When you divide (1/7, 2/7, 3/7, 4/7, 5/7, 6/7, 7/7, 8/7, 9/7), the number string 1,4,2,8,5,7 repeats in the decimals. Take the circle of the enneagram, 9 on the top, then 1 though eight clockwise, connect the string 1, 4,2,8,5,7, and you get the enneagram. So there has to be something other than personality as the meaning.

bpeoples's avatar

Mathematics is not really about “meaning”. There’s all kinds of interesting connections between numbers in mathematics (pi is a very common one, phi and e both come up all over the place).–8150748-4111320?url=search-alias%3Daps&field-keywords=golden+ratio&x=0&y=0

Noticing that the sequence of connections of the enneagram—I would guess that since you’re constructing it with three equilateral triangles, and so that you’re skipping every other point (1 -> 4 skips 2 and 3) means that you’re probably doing something with the number 7, e.g., 9 – 2 = 7. But I’m pretty sure it has no (real) basis in geometry.

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