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Find the area of the circle if the square has an area of 900 in2. Give your answer in terms of pi

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There is no attached picture, but I guess it is like the one I attached.
If so, the first thing is finding the side measure:

A_(square)=l^2 \\ l= √(A) = √(900) \;\;\Rightarrow l=30\;in
Now, radius is half this measure: 15 in.
And circle area is:

A_(circle)=\pi r^2=\pi\cdot(15)^2\:\;\Rightarrow A_(circle)=225\pi\;in^2
Find the area of the circle if the square has an area of 900 in2. Give your answer-example-1
User Bibscy
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