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A circular garden is enlarged so that the new diameter is twice the old diameter. What is the ratio of the original area to the enlarged area? Express your answer as a common fraction.

 Mar 30, 2020
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Assume the diameter of the first circle is two and the second circle is four.

 

Thus, pi and 4pi are the respective areas.

 

1/4.

 Mar 30, 2020

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