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# Ford Circles

Imgur

This is pretty cool! Here is the website:

Ford Circles

You can zoom in and stuff. Check it out!

Note by Daniel Liu
3 years, 10 months ago

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## Comments

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Why are they called Ford Circles?

- 3 years, 10 months ago

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Ford circles are named after the American mathematician Lester R. Ford, Sr., who wrote about them in 1938.
##### Source: Wikipedia

- 3 years, 10 months ago

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every number behind the circle is half the sum of he nos. written in front two circles

- 3 years, 10 months ago

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The circle externally tangent to circles with the fractions a/b and c/d has the fraction (a+c) /(b/d). The amazing thing is that all fractions are in simplest form, every fraction will eventually appear, and the centers correspond to the fraction aka the center of the 2/3 circle is 2/3 of the way from the center of the 0/1 circle to the 1/1 circle

- 3 years, 10 months ago

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what do u mean by $$Ford$$ $$Circles$$ ??

- 3 years, 10 months ago

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It's amazing...

- 3 years, 10 months ago

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