What Are Your Thoughts on This Simple Circle Problem?

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The discussion centers on a geometric problem involving two circles, where the radius of the larger circle (R) and the radius of the smaller circle (r) are analyzed using the Pythagorean theorem. Participants explore the relationship between the segments OA, OM, and MA, confirming that |OA| equals the sum of |OM| and |MA|. The conclusion drawn is that the equation Line OM + r = R effectively encapsulates the relationships established in the problem.

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soggybread
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Hi guys,

I found this little problem on some website ages go, and was just wondering what you think of it:

http://img354.imageshack.us/img354/9052/cirlce8hk.gif

Anyone have any ideas?
 
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|OA| = R (since OA is a radius of the big circle)
|OA| = |OM| + |MA| (just look at it)
|MA| = r (since AM is a radius of the small circle)
r² + r² = |OM|² (pythagorean theorem)
 
interesting, i was thinking that: Line OM + r = R

would that work?
 
That's what you get when you put AKG's first three lines together into a single equation. Now put that together with the fourth line, and you've got it
 

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