What expression can you write to represent the length of the rectangle in Part 2? How do you know?
If you add up all of the side lengths to find the perimeter, what expression do you get?
Possible answer:
What are some other ways of writing an expression for perimeter? How do you know?
Possible answers:
Given the expressions you have for length and width, what expression can you write to represent the area of the rectangle?
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