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27 September, 23:08

What is the circumference of a circle with an area of 50.24cm^2

Use 3.14 for pi

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Answers (2)
  1. 27 September, 23:09
    0
    25.12

    Step-by-step explanation:

    area of a circle = ||r^2 (|| = pie)

    || r^2 = 50.24

    3.14 x r^2 = 50.24

    r^2 = 50.24 / 3.14

    = 16

    r = 4

    circumference = 2 || r

    2 x 3.14 x 4

    8 x 3.14

    25. 12
  2. 27 September, 23:30
    0
    3.14*r^2=50.24 = > r^2=16. = > r=4. = > circumference=2*3.14*4=25.12
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