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28 November, 20:12

A square field has an area of 479 ft2. What is the approximate length of a side of the field? Give your answer to the nearest foot.

A. 240

B. 23

C. 22

D. 21

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Answers (2)
  1. 28 November, 20:20
    0
    Hey there,

    So all we really need to do for this one is

    area=LW, L=W in squaer so 479=L^2, squaer root both sides, L=W=21.88=22 rounded

    so it is C
  2. 28 November, 20:33
    0
    Area=legnth times width

    in a square, legnth=width

    area=legnth times legnth

    area=479

    479=legnth^2

    square root both sides

    21.8ft=legnth

    round tonearset foot

    22

    answer is C
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