Concept explainers
To find: New dimension of rectangular deck.
The new dimension of deck is
Given:
A rectangular deck for recreation measures 21 feet long by 20 feet wide.
Concept Used:
Factoring method to find the roots of the
Calculation:
Length of rectangle
Width of rectangle
Now, half the area
After subtracting the same distance of
New length of rectangle is
New width of rectangle is
Here, Applying the area of triangle formula,
Solving this equation:
Applying the factoring method of quadratic equation:
Using Zero Product property:
Here, Neglecting the value of
Therefore, The value of
Deck’s new Dimension:
Conclusion:
The new dimension of deck is
Chapter 1 Solutions
EBK ALGEBRA 2
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