Welcome to Wikipedia. The you made to the page Triangle has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Tiderolls 17:01, 12 April 2009 (UTC)
Please refrain from making unconstructive edits to Wikipedia, as you did to Equilateral triangle. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Thank you. —David Eppstein (talk) 17:02, 12 April 2009 (UTC)
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