The figure below shows part of a room. From a point on the floor, the angle of elevation to the top of the door is , whereas the angle of elevation to the ceiling above the door is
. Use this diagram to write an equation involving
, and then solve the equation to find the number of degrees in the angle that extends from the top of the door to the ceiling.
A)
B)
C)
D)
E)
Correct Answer:
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