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26 December, 03:34

Which is the approximate diameter of a circle with a circumference of 30 m? 10 m 90 m 5 m 15 m

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Answers (2)
  1. 26 December, 04:52
    0
    10 m

    Step-by-step explanation:

    The circumference of a circle is given by

    C = pi*d

    Substituting what we know

    30 = pi*d

    Divide each side by pi

    30/pi = d

    Pi is approximately 3.14

    30/3.14 = d

    9.55 = d

    The closest number is 10
  2. 26 December, 05:25
    0
    Circumference is the diameter of the circle multiplied by PI

    To find the diameter when the circumference is known, divide the circumference by PI.

    30 / PI = 30/3.14 = 9.97 Round to 10m
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