Regions and Areas - A Geometer's Sketchpad Activity #3


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Find the area of the square that is OUTSIDE of the four circles and the interior square.

1.  Find the area of the large square ABCD:      __________________________________________

2.  Find the area of the four EQUAL circles:  _______________________________________

3.  Find the area of the small square joining the centers of the circles:  __________________

4.  Now, what is the area of the part of the square OUTSIDE of the four circles and the interior square?  _____________________________________________________________________

5.  Divide the area of the LARGE square by your answer in number 4:____________________