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Please Help! it's simple!
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Please Help! it's simple!

Please Help! it's simple!-example-1
User Roshin Jay
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1 Answer

3 votes

Answer:

28.27

circumference of finding a circle divided by two.


(2\pi \:r {}^(2) ) / 2

(2×3.14×9)/2

56.55/2

28.27

User JerryZhou
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7.0k points
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