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

A) 10 inches

B) 20.25 inches

C) 8 inches

D) 9 inches

1 Answer

4 votes
bearing in mind that a square is just a rectangle with all equal sides, thus, check the picture below.
The area of q square piece of cardboard is 81 square inches. What is the length of-example-1
User EmJeiEn
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