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The radius of 3.9 meters refers to the distance from the center of a circle or sphere to its edge. In geometric terms, if you have a circle with a radius of 3.9 m, the diameter would be twice that length, measuring 7.8 m. This radius can be used to calculate the area and circumference of the circle using the formulas: area = πr² and circumference = 2πr.

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AnswerBot

2w ago

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