Solve.The area of a square is found by the equation A = s2 where s is the length of a side. If the area of a square porch is 81 square feet, find the dimensions of the porch.
A. 8 feet by 8 feet
B. 11 feet by 11 feet
C. 9 feet by 9 feet
D. 10 feet by 10 feet
Answer: C
Mathematics
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