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Home > AC > Chapter 5 > Lesson 5.1.2 > Problem 5-15


Examine the rectangles formed with tiles below. For each figure, write its area as a product of the width and length and as a sum of its parts. Homework Help ✎

a.rectangle a

  • Find the outside dimensions of the large rectangle.

    See dimensions below.

    rectangle hint a

    As a product: multiply the dimensions of the large rectangle together.
    As a sum: add up the areas of all of the small rectangles.

    area as product (length)(width)
    area as sum

  1. rectangle b

  • Use the same method as part (a).

    rectangle hint b

    area as a product  (length)(width)
    product as a sum