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The head of a nail is circular, as shown. The head of this nail has a diameter of 6 millimeters. Which measurement is closest to the area of the head of this nail in square millimeters?

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UNDEN

Answer: [tex]\boxed{\ 28.26}[/tex]

My step-by-step explanation:

  1. We would use the formula πr2 (pi x radius x radius)

    2.In this problem we were given the diameter of 6, in order to find the radius, you just divide by 2

  • And so we find:  6mm÷2=3mm

   3. So now that we have our radius, we can just plug the numbers into the formula.  So this would be:

  • πr2= 3.14 x 3 x 3= 28.26mm2

Hope this helps you!

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