Answer:
24 feet.
Step-by-step explanation:
Given: Area of living room= 360 ft²
Width of living room= 
Lets assume length of living room be "x".
We know the living room is in rectangle shape.
Now, forming an equation to determine length of living room.
Remember; Area of rectangle= 
⇒ 
⇒ 
multiplying both side by 8
⇒
dividing both side by 5
⇒ 
⇒ 
Take square root on both side, remember, √a²=a
⇒ x= 
Hence, the length of room is 24 ft.