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posted by luz on Tuesday, February 19, 2013 at 2:44am.
the length of the rectangle is 43 cm. what widths will make the perimeter greater than 120 cm?
two sides are 43 + 43 = 86 the other two are (120 - 86) /2 = 17 each. So to be more than 120, sides must be 43,43,18,18
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