Art of Problem Solving

2011 AMC 8 Problems/Problem 13: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

12 January 2025

2 January 2025

18 November 2024

13 January 2024

12 January 2024

4 January 2024

17 December 2023

26 December 2022

14 January 2021

5 July 2013

4 November 2012

3 January 2012

  • curprev 20:4320:43, 3 January 2012 Aallen talk contribs 144 bytes +144 Created page with "The overlap length is 5, so the shaded area is 5 * 15 =75. The area of the whole shape is 25*15 = 375 The fraction 75/375 reduces to 1/5 or 20%."