Finding the Area of a Circle: Practice
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The area of a circle formula:
C = Π r2
Leave all answers in "pi" form.


 

Find the area of this circle

 

 




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If the radius of a circle is doubled how does the new area compare to the original area?
 

 

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A circular linen tablecloth has a diameter of 70 inches.  How many square inches of linen was required to make this tablecloth?
 


 

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A sheep is tied to a post in the field.  If the length of the rope is 45 feet, what is the area of the field in which the sheep can graze?
 




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Find the area of the shaded region.
 




 

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