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16 February, 00:45

The diameter of a round coin is 27.9 millimeters. What is the approximate area of one face of the coin?

A. 100 mm2

B. 200 mm2

C. 600 mm2

D. 300 mm2

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Answers (1)
  1. 16 February, 03:26
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    so you would do half of the diameter which is 13.95 (radius)

    A = pi times radius squared

    so it would be A = (pi) 13.95 squared the answer is about 611 so C would be the correct answer
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