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Mathematics 18 Online
OpenStudy (anonymous):

11. The area of a square piece of cardboard is 81 square inches. What is the length of the cardboard?

OpenStudy (anonymous):

9

OpenStudy (agent0smith):

Area of a square = (side length)^2 \[\Large 81 = s^2\] Can you solve for s?

OpenStudy (dan815):

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