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75 inches is too big, and 75 inches wide is about a meter.
Your living room is about 4 meters long, and if you add the sofa, it's about 4 meters away.
The viewing distance is about 4 meters, and it is recommended to buy 46 55 inches is enough.
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75 inches, a bit big, it is recommended to be about 45 inches, the sight distance is too close to damage the eyesight.
How many floors to build? How many bedrooms, living room, dining room, kitchen and bathroom do you need on each floor?
It's best to have a picture to know the direction of the entrance, the hallway, the balcony, etc.
There is a bedroom door on that wall, you can make a TV wall on this wall, the TV wall is wallpapered, and the two sides of the wall are wooden decorations as wide as the door, one side is a real door (invisible door), and the other side is a false door, symmetrical. Put a sofa on the wall, and make a partition when you enter the door (it can be a shoe cabinet). I hope my answer can help you.
The living room of the house is 7 meters long and meters wide, and there are a total of square meters. It doesn't matter how tall you are.
Regarding the optimal line of sight, the definition of the International Advisory Committee on Undu-Line Electricity (CCIR) is: >>>More