User:Piphi/AoPS Wiki

Welcome to Piphi's Wiki!

The Piphi Wiki project is administered by piphi for supporting educational content useful to avid math students.

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Problem of the Week

2001 AMC 8, Problem 23

Points , and are vertices of an equilateral triangle, and points , and are midpoints of its sides. How many noncongruent triangles can be drawn using any three of these six points as vertices?

Recent Changes

• Lentarot‎
• 2025 AMC 8 Problems‎
• 2025 AMC 8 Problems/Problem 1‎
• 2025 AMC 8 Problems/Problem 14‎
• 2025 AMC 8 Problems/Problem 11‎

• More...

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It is Thursday January 30, 2025, 05:28 (GMT).
There have been 242,808 edits to 10,745 articles since January, 2006.

3,422 files have been uploaded. There are 257,912 users registered.