A spotlight is mounted on a wall 7.4 feet above a security desk in an office building. It is used to light an entrance door 9.3 feet from the desk. To the nearest degree, what is the angle of depression from the spotlight to the entrance door?

39°
51°
53°
37°

Question

A spotlight is mounted on a wall 7.4 feet above a security desk in an office building. It is used to light an entrance door 9.3 feet from the desk. To the nearest degree, what is the angle of depression from the spotlight to the entrance door?  

39°
51°
53°
37°

osuxbucks15 · Answer

@myko can u help plz?

anonymous · Answer

|dw:1342219140043:dw|
so tan x = 7,4/9,3
and x= arctan(7,4/9,3)