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Seriously! Think Outside The Box!

Logic Level 5

What is the maximum number of equilateral triangles you can create using 10 sticks of equal length without altering the sticks, nor overlapping them?

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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by Sharky Kesa

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