As Niall approaches the living room, he sat on the couch, he noticed that there's a a lamp beside the couch. The lamp is 70 inches tall and he is 52 inches away from it.
A= 53°
52 INCHES
B= 37°
90°
70 INCHES
He got up to check the kitchen. As he sat down, Niall noticed that the end of the kitchen counter was 148cm long and 84cm high.
After checking out the kitchen, he decided to check out his room next. He sat on his the chair and suddenly he wanted to know the angle from where he was sitting, if he was 285cm away from the headboard of the bed to his chair and if the bed is 85cm high.