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No, Seriously, What's The Radius?

Geometry Level 1

An equilateral triangle is inscribed in a circle. Which of these shapes has a larger perimeter? The triangle, or the circle?

They have the same perimeter The circle The triangle

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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

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Used and loved by over 6 million people

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including olympiad champions, researchers, and professionals.

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by Pi Han Goh

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