Answer:
The area of the four walls of the rectangular room is 2z(x + y) square centimeters.
Step-by-step explanation:
The area of the four walls of the rectangular room can be calculated by finding the sum of the areas of four individual walls.
The length of each of the two longer walls is z * y (height times width), and the length of each of the two shorter walls is z * x (height times length).
So, the total area of the four walls is 2 * (z * y + z * x), which simplifies to 2z(x + y) square centimeters.
