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24 August, 19:50

If the diameter of the circle above is 20 mm, what is the area of the circle? A. 100 mm2 B. 400 mm2 C. 20 mm2 D. 10 mm2

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  1. 24 August, 20:28
    0
    The answer is 100π.

    Step-by-step explanation:

    Since the diameter of the circle is 20mm, the radius of the circle is 20/2 = 10mm.

    The formula for area of a circle is π*r^2. If we substitute r for 10, we get the final answer as 100π or about 314.16.
  2. 24 August, 22:41
    0
    100π.
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