User talk:71.187.20.42

June 2020
Hello, I'm Pi. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Cross section (geometry)—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Pi (Talk to me!)  22:58, 15 June 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

October 2020
Hello, I'm JPxG. I wanted to let you know that one or more of your recent contributions&#32;to County Prep High School have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. jp×g 03:46, 5 October 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.