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

Question

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

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Nem 3 years 2021-08-21T01:34:25+00:00 2 Answers 5 views 0

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  1. minhkhoi
    0
    2021-08-21T01:36:11+00:00
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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

  2. thachthao
    0
    2021-08-21T01:36:11+00:00
    Reply

    Answer:

    244.92mm

    Step-by-step explanation:

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

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