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29 October, 05:11

What is the circumference of a circle with a diameter of 45 centimeters?

A. 282.7 centimeters

B. 70.7 centimeters

C. 6,361.7 centimeters

D. 141.4 centimeters

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Answers (2)
  1. 29 October, 05:26
    0
    It is 141.4 centimetres. This is because the circumference is obtained by multiplying pi with the diameter.
  2. 29 October, 05:41
    0
    Circumference, C = πd

    d = diameter.

    C = π*45

    C = 45π

    C ≈ 45*3.142

    C≈ 141.39

    C ≈ 141.4

    Option D.
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