Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**(A) Concentric Circles**

Regions enclosed by an infinite family of concentric circles.

Regions enclosed by five infinite families of concentric circles. (Animation Pictures)

**(B) Tangent Circles**

Regions enclosed by an infinite family of tangent circles.

Regions enclosed by five infinite families of tangent circles. (Animation Pictures)

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 90,607

Hi benice;

Amazing detail and beauty, very good!

**In mathematics, you don't understand things. You just get used to them.**

**I agree with you regarding the satisfaction and importance of actually computing some numbers. I can't tell you how often I see time and money wasted because someone didn't bother to run the numbers.**

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