GED Math Practice Test

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Prepare for the GED Math Test with our comprehensive quiz. Practice with multiple choice questions and get detailed hints and explanations to boost your confidence and skills. Enhance your test readiness today!

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What is the circumference of a circle?

  1. Distance around a circle

  2. Exact middle of a circle

  3. Radius of a circle

  4. Area of a circle

The correct answer is: Distance around a circle

The circumference of a circle is defined as the distance around it. This measurement provides a complete outline of the circle, making it an essential concept in geometry. To find the circumference, you can use the formula \(C = 2\pi r\) or \(C = \pi d\), where \(r\) is the radius and \(d\) is the diameter. This differentiates it from other properties of a circle, such as its area or diameter, making the first choice the correct and most relevant definition. Other options refer to different aspects of a circle, but they do not accurately describe the concept of circumference.

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