1. The perimeter of a rectangle includes the sum of its four sides, which are pairwise equal, so the sum of two unequal sides is equal to the rest, unequal sides of the rectangle, that is, half of the perimeter of the rectangle.
2. Find half of the perimeter of the rectangle.
3m = 300cm
364/2 = 182cm
Answer: the sum of two lengths of unequal sides is exactly 1m 82cm
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