Art of Problem Solving
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1980 AHSME Problems/Problem 21: Revision history

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16 August 2025

25 June 2025

16 July 2023

25 July 2017

3 October 2014

  • curprev 00:2200:22, 3 October 2014 Timneh talk contribs 1,060 bytes +1,060 Created page with "== Problem == <asy> defaultpen(linewidth(0.7)+fontsize(10)); pair B=origin, C=(15,3), D=(5,1), A=7*dir(72)*dir(B--C), E=midpoint(A--C), F=intersectionpoint(A--D, B--E); draw(E--..."