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17 November, 01:41

The radius of a circle is 1 kilometer. What is the diameter?

r=1 km

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Answers (2)
  1. 17 November, 03:35
    0
    The diameter is 2 km.

    Step-by-step explanation:

    Diameter = radius * 2.
  2. 17 November, 03:38
    0
    d = 2 km

    Step-by-step explanation:

    The diameter is twice the radius

    d = 2r

    We know the radius is 1 km

    d = 2 * 1 km

    d = 2 km
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