The approximate width of Alice's backyard is 22.36 in.
Let l be the length of the rectangle and w be the width. l = 2w A = 1000 m2 = l*w 1000 m2 = 2w *w 500 m2 = w^2 √500 m2 = √w^2 w = <span>22.360679775 in or 22.36 in</span>
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