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8759

Johnson's Theorem

Let three circles of equal diameter intersect at a point H and intersect pairwise at points A, B, and C. Then the circumcircle of the triangle ABC has the same diameter as the other circles.
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"Johnson's Theorem" from the Wolfram Demonstrations Project
 http://demonstrations.wolfram.com/JohnsonsTheorem/
Contributed by: Jay Warendorff
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Common Core State Standards for Mathematics
 
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