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OpenStudy (anonymous):
Carl is building a square exercise pen for his dog. The area of the pen is 80 square feet. Which of the following is closest to the number of feet of fencing he needs to enclose the pen? A. 9 feet B. 20 feet C. 36 feet D.80 feet
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OpenStudy (anonymous):
C
OpenStudy (anonymous):
Thanks (:
OpenStudy (anonymous):
each side of the square will be 9 ft
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