User contributions
- 17:37, 10 November 2023 (diff | hist) . . (+289) . . N 2019 Mock AMC 10B Problems/Problem 11 (Created page with "Note that the area of square ABCD is 100. We can break the large square into 20 right triangles, all of which are congruent. Thus, the area of one triangle is 5, and because t...")
- 22:35, 16 November 2022 (diff | hist) . . (-6) . . 1999 AMC 8 Problems (→Problem 6)
