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15 March, 11:51

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. 15 March, 13:38
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    100π.
  2. 15 March, 15:17
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    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.
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