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2-19.

Label the rest of the sides of the rectangles with the lengths directly across from them.

Don't forget about your units!

Area is the total square units of a shape. In this case, the length multiplied by the width.

The area of the bathroom is 63 feet2, since (7)(9) = 63. What are the areas of the kitchen and the living room?

Sum the answers in part (b).

318 square feet