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The radius of the circle above is 39 mm. What is the circumference of the circle? (Use a = 3.14.)

User Cardmagik
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2 Answers

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so to find the circumferene the formula is pi r 2

a= 3.14 x 39 x 2

a= 244.92 (my teacher tells us to round it to the decimal place of the question, if your teacher says that too here's the answer 245mm)

sorry i took long i selpt while doin this

User Chakavak Behzad
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7 votes

Answer:

244.92mm

Explanation:

if we say circumference=2*pi*r then we have circumference=2*3.14*39=244.92

User Yellows
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