User talk:WikiKnows897

May 2018
Hello, I'm BubbleEngineer. I wanted to let you know that one or more of your recent contributions to Sum of angles of a triangle 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 Help Desk. Thanks. BubbleEngineer (talk) 22:57, 4 May 2018 (UTC)

November 2018
Please stop your disruptive editing. If you continue to vandalize pages by deliberately introducing incorrect information, as you did at Addition ‎, you may be blocked from editing. Tornado chaser (talk) 23:40, 13 November 2018 (UTC)