Question

Mr johnson had a plot of garden that is 7 m by 7 m. he wanted to put a fence around the whole garden. he needed an extra of 3.4 m of fence. what is the length of fence that he had?

Answers

  1. The length of fence that Mr johnson had is 24.6m.

    What is a perimeter of rectangle?

    A rectangle’s perimeter would be the total length and distance of all its boundaries on all sides. A perimeter of rectangle would be a linear measurement that is expressed in meters, feet, inch, or yards.
    A rectangle’s perimeter is the whole length of its outside boundary. It is equal to twice the sum of its length and breadth and is computed to use the formula:
    Perimeter = 2(length + width).
    Now according to the question;
    Let ‘L’ be the length of the rectangle garden = 7m.
    Let ‘B’ be the breadth of the rectangle garden = 7m.
    Using the formula;
    Perimeter = 2(length + width).
    Substitute the values;
    Perimeter = 2(7 + 7).
    Perimeter = 28m
    Mr johnson needed an extra of 3.4 m of fence.
    The original length of the fence is
    = 28m – 3.4m
    =  24.6m.
    Therefore, The length of fence that Mr johnson had is 24.6m.
    To know more about the perimeter of rectangle, here
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