Area / Circumference of Circle.

Just enter the diameter and get the perimeter and area of the circle! 

Instructions:

  1. Find the radius or the diameter of the circle.
  2. Enter the radius or the diameter into the correct boxes bellow.
  3. Click run! Remember: Add the units back in!
Notes:

  • If you want to enter another set of data, clear the boxes before you do.
  • The diameter overrides the radius.





Area= #


Circumference= #

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