johnaewilliams2950 johnaewilliams2950
  • 16-07-2018
  • Mathematics
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There is a circular fountain in a park with a 10m radius lies alone in the center of a circular park with 200m radius . what is the total walking area available to visitors

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musiclover10045
musiclover10045 musiclover10045
  • 16-07-2018

The formula for the area of a circle is PI x radius^2


The park has a radius of 200m


The area of the park = PI x 200^2 = 125,600 square meters.


The radius of the fountain is 10m


The area of the fountain = PI x 10^2 = 314 square meters.



The area to walk ids the area of the park minus the area of the fountain:


125,600 - 314 = 125,286 square meters.

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