SOLUTION: Harrison will cover all four walls in his den with wallpaper. He will not cover the ceiling or floor. The room's height is 8ft, the length is 10ft and the width is 15ft. How m

Question 579251: Harrison will cover all four walls in his den with wallpaper. He will not cover the ceiling or floor.
The room's height is 8ft, the length is 10ft and the width is 15ft.
How many square feet of the den will he cover with wallpaper? Explain in words how you found your answer.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The facing walls will have the same area.
This is always true if the room has a rectangular
floor plan.
-----------
The area of a wall is found by ( height of wall ) x ( length of wall )
One pair of facing walls measure:
ft2
So, the area of these 2 walls is ft2
The other pair of facing walls mwasure:
ft2
So, the area of these 2 walls is ft2
Adding up the 4 walls:
ft2
400 square feet of the den will be covered with wallpaper
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