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Determine the circumference of a circle that has diameter 4 units. Round the answer to the nearest tenth.
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Determine the circumference of a circle that has diameter 4 units. Round the answer to the nearest tenth.

User Jonycheung
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1 Answer

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The formula for circumference is 2•pi•r
Pi is 3.14…. The radius is half of the diameter meaning that the equation would be 2pi2

The answer is 12.56637061435917 but to the tenth it is 12.6
User Arn Vanhoutte
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