Art of Problem Solving
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Cyclic quadrilateral: Revision history

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3 January 2025

9 March 2024

21 February 2024

19 February 2024

14 January 2024

18 October 2023

17 May 2022

31 May 2021

31 January 2016

18 May 2014

23 October 2007

7 October 2007

30 July 2006

17 July 2006

10 July 2006

6 July 2006

24 June 2006

18 June 2006