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20 May, 20:28

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. 20 May, 23:53
    0
    It is 81 divided by 4, which is the sides of the square, which is C.
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