unknown909 unknown909
  • 18-04-2017
  • Mathematics
contestada

what is the area of a circle with a diameter of 4.2 centimeters? us 3.14 for pi. round your answer to the nearest tenth.

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wolf1728
wolf1728 wolf1728
  • 18-04-2017
Circle Area = PI * radius^2
radius = 2.1
Circle Area = 3.14 * 2.1^2
Circle Area = 13.8






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