To calculate:find the dimensions of each rectangle.
Answer to Problem 8P
The length and width of first rectangle are 48 cm and 24 cm respectively and the length and width of second rectangle are 56 cm and 21 cm respectively.
Explanation of Solution
Given information:It is given that the width of a rectangle is width
Calculation:Then its perimeter is
It is given that the length of second rectangle is 8 more than the length of first rectangle , so length of second rectangle is
Now we can complete the table
Length of rectangle | Width of rectangle | Perimeter of rectangle | |
First rectangle |
|
|
|
Second rectangle |
|
|
|
Perimeter of second rectangle is 154, so we can write
Now solving the above equation, we gets
The width of first rectangle is
Conclusion: The length and width of first rectangle are48 cm and 24 cm respectively and the length and width of second rectangle are 56 cm and 21 cm respectively.
Chapter 3 Solutions
Algebra: Structure And Method, Book 1
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