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Congruent Chords

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Author: Annie Fetter
Description: Geometry, difficulty level 3. Two congruent circles are drawn, and four congruent chords are drawn, two in each circle, all perpendicular to the diameter through both circles. The distance between the two furthest chords is 20, and the distance between two chords of the same circle is 8. What's the area of one of the circles?
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Problem page: /library/go.html?destination=615
Solution page: Problem #615

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