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Mathematics 15 Online
OpenStudy (anonymous):

A chessboard is made of 64 small squares. A single square on a chessboard has an area of 7 cm2. How long is the side of the entire board, rounded to the nearest tenth of a centimeter? a. 10.6 cm c. 21.2 cm b. 2.6 cm d. 169.3 cm

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