Question

the conference room of a hotel measures 40 ft by 50 ft has a 12-foot ceiling what is the area of the walls​

Answer 1

The area of the walls is
`2,160\ ft^(2)`

Explanation:

we know that

The area of the walls is equal to the perimeter of the conference room multiplied by the height of the ceiling

so

`A=2[40+50](12)=2,160\ ft^(2)`