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| Many Cyclic Quads (Posted on 2013-10-19) |
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Two circles Γ1 and Γ2 intersect at points P and Q.
Prove that there are infinitely many cyclic quadrilaterals
ABCD ( A and B on Γ1 and C and D on Γ2 ) such that
AC∩BD is in the set {P,Q}.
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Subject |
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Date |
 | Solution | Harry | 2013-10-26 11:42:12 |
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