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Concept explainers
a.
To determine the expression in factorised form to represent the area of blue section.
a.
![Check Mark](/static/check-mark.png)
Answer to Problem 45PPS
Explanation of Solution
Given:
Length of Blue section =
Breadth of Blue section =
Formula used / Concept used:
Area of rectangle =
Calculation / Explanation:
=
Conclusion: So, the area of the blue section is ab.
b.
To determine the expression in factorised form to represent the area formed by the outer edge.
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 45PPS
Explanation of Solution
Given:
Length of outer section =
Breadth of outer section =
Formula used / Concept used:
Area of rectangle =
Calculation / Explanation:
Here
So, area formed by the outer edge,
=
=
=
=
Conclusion: So, the area formed by the outer edge is
c.
To determine the expression in factorised form to represent the area formed by the yellow region.
c.
![Check Mark](/static/check-mark.png)
Answer to Problem 45PPS
Explanation of Solution
Given:
Length of Blue section =
Breadth of Blue section =
Length of outer section =
Breadth of outer section =
Formula used / Concept used:
Area of rectangle =
Subtraction of polynomial.
Calculation / Explanation:
From the above two, the area of rectangle blue section=
The area formed by the yellow region will be = area of outer edge
Conclusion: So, the area formed by the yellow region is
Chapter 8 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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