The distance around a circle is called

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Study for the GACE Elementary Education II Test. Prep with flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

The distance around a circle is called

Explanation:
The distance around a circle is called the circumference. This term refers to the boundary length that goes all the way around the circle, its outer edge, much like the perimeter for any closed shape but specific to circles. The radius is the line from the center to the edge, and the diameter is the full line across the circle through the center (twice the radius). An arc, meanwhile, is just a part of the circle’s edge, not the entire distance around. If you know the radius, you can find the circumference with C = 2πr, or with the diameter C = πd.

The distance around a circle is called the circumference. This term refers to the boundary length that goes all the way around the circle, its outer edge, much like the perimeter for any closed shape but specific to circles. The radius is the line from the center to the edge, and the diameter is the full line across the circle through the center (twice the radius). An arc, meanwhile, is just a part of the circle’s edge, not the entire distance around. If you know the radius, you can find the circumference with C = 2πr, or with the diameter C = πd.

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