math

posted by kud

The length and breadth of a rectangular paper were measured to be the nearest centimeter and found to be 18 cm and 12 cm respectively. Find the percentage error in its perimeter

  1. Steve

    the maximum and minimum dimensions are
    18.5*12.5 and 17.5*11.5
    find the difference from the true perimeter P=2(12+18) and divide it by P

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