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A region is bounded by semicircular arcs constructed on the side of a square whose sides measure 2/pi, as shown. What is the perimeter of this region?

 

 May 26, 2021
 #1
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The perimeter is 8.

 May 26, 2021
 #2
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The perimeter is just the circumference of two circles with diameter = 2/pi

 

circumference of circle = pi * d 

   two of these   would be    2 * pi * 2/pi = 4 units

 May 26, 2021

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