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27 January, 21:57

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

A. 8 inches

B. 9 inches

C. 20.25 inches

D. 10 inches

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Answers (1)
  1. 27 January, 22:02
    0
    It is 81 divided by 4, which is the sides of the square, which is C.
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