Notes
seven circles

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Seven Circles

Posted on Oct 5, 2019

Seven Circles

The centres of all seven circles are marked. The width of the shaded ring is 11. What’s its area?

Revised on May 9, 2021 20:55:55 by Andrew Stacey
Views: Print | TeX | Source | Linked from: Catriona Agg's puzzles, Catriona Agg's puzzles 2019, seven circles techniques