Concept explainers
(a)
The area of rectangle in simplest form in terms of given variable.
(a)
Answer to Problem 5WE
Explanation of Solution
Given:
The length and width of rectangle are consecutive even integers.
The length of rectangle is l cm.
Calculation:
The formula for area of rectangle is:
The length of the rectangle is l cm and length and width are consecutive even integers, so width of the rectangle will be l + 2 cm.
Therefore, the area will be:
(b)
The perimeter of rectangle in simplest form in terms of given variable.
(b)
Answer to Problem 5WE
Explanation of Solution
Given:
The length and width of rectangle are consecutive even integers.
The length of rectangle is l cm.
Calculation:
The formula for perimeter of rectangle is:
The length of the rectangle is l cm and length and width are consecutive even integers, so width of the rectangle will be l + 2 cm.
Therefore, the perimeter will be:
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Algebra and Trigonometry: Structure and Method, Book 2
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