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The exact diameter of a circle with a circumference of 39
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The exact diameter of a circle with a circumference of 39

User Jesslyn
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1 Answer

6 votes
2 π r = 39

r is the radius and this 2 π r is the formula for the circumference so I made it equal to the circumference given

rearrange:

r = 39/2 π
r = 6.21 ( 2 decimal places)
User Dhia Djobbi
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