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The area of a circle is 4​𝜋 square kilometers. What is the circumference?

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Solution

Theareaofacircleis4​𝜋squarekilometers.Whatisthecircumference?

Solution

circumference:4πkm
+1
Decimal
12.56637…
Solution steps
Given:area:4πkm2
Radius given Area=4π:r=2
Circle circumference given r=2:C=4π
circumference:4πkm

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