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Welcome to Braingle's Trivia section! This is a place where you can take fun and interesting quizzes on a wide range of topics. Are you an expert on something? Why not create your own quiz for others to test their knowledge?

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Circles are a big part of our lives. Circles are the shapes of wheels, manhole covers, and caps. Test your knowledge of circles.

Sample Questions

1. A 'line' connecting one side of the circle to the opposite end would be called a . . .

2. Which formula is used for circumference?

3. The radius is ___ the diameter.

4. A circle is a polygon.

5. A circle is a curve of constant width.

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