User contributions
- 19:03, 28 April 2023 (diff | hist) . . (-9) . . m Nine-point circle
- 19:02, 28 April 2023 (diff | hist) . . (+9) . . m Nine-point circle
- 12:19, 15 July 2022 (diff | hist) . . (+7) . . m 2004 AMC 12A Problems/Problem 21 (→Solution 2)