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

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.

a.

Find the outside dimensions of the large rectangle.

See dimensions below.

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

Use the same method as part (a).

area as a product

(length)(width)

product as a sum