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A regular square with a side of 8cm has a circle in it and that circle has a square in it. The space between the circle and the inner square is what? 

The arrow is what I'm looking for, the length

        <------------------8CM----------------------->

 Oct 17, 2020
edited by TacoBell  Oct 17, 2020
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I have edited it so it includes a picture.

 Oct 17, 2020
 #2
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The length of the arrow  z = ( 8 - √32) / 2

 Oct 17, 2020

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