webbhlharryteach webbhlharryteach
  • 19-01-2020
  • Mathematics
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A circular ring is to be stamped out with a hole in the middle. The hole will have a diameter of 42 inches as shown in the picture below. About how big is the area of the ring?

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sebmurray
sebmurray sebmurray
  • 19-01-2020
The area is Pi times 21 squared
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