The AoPS Wiki project is administered by the Art of Problem Solving for supporting educational content useful to avid math students.
2001 AMC 10, Problem 20
A regular octagon is formed by cutting an isosceles right triangle from each of the corners of a square with sides of length . What is the length of each side of the octagon?
If you don't know much about how to edit a wiki, you might want to read the tutorial and the help files. You can also read what AoPSWiki is not. Lastly, please read the policies of the AoPSWiki before editing, and why AoPSWiki is different from other online resources.
AoPSWiki runs on the MediaWiki software.
Create a new account
Lost your activation email?
Forgot your password or username?