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3-90.

What is the area of each part of the entire rectangle at right? What is the area of the whole figure? Write the area of the rectangle as a product and as a sum. Homework Help ✎

     

Copy the generic rectangle.

Fill in the table by multiplying the column and row terms.

The area could be written as a product. The RED terms are the factors for the product.

The area could be written as a sum. Add the RED terms within the rectangle.