Concept explainers
To find: The dimensions of the rectangular animal pen.
Answer to Problem 6P
The dimension of the rectangular animal pen is 60 m and 20m or 40 m and 30 m.
Explanation of Solution
Given:
The area of the rectangular animal pen = 1200 m2.
The length of the fencing of the rectangular animal pen = 100 m
Calculation:
The area of the rectangle is given by
The initial area of the rectangle
The length of the fencing of the rectangular animal pen will be equal to the perimeter of the rectangular animal pen. The fencing is done on 3 sides.
The perimeter of the rectangle is given by
Substitute
And
The breadth of the rectangle
The dimension of the rectangular animal pen is 60 m and 20m or 40 m and 30 m.
Therefore, the dimension of the rectangular animal pen is 60 m and 20m or 40 m and 30 m.
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Algebra and Trigonometry: Structure and Method, Book 2
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