Solve the problem.In a computer game, you are facing a door. If you turn right 70°, you face a window. The instructions say the angle between the door and the window, plus the angle between the window and the treasure, are supplementary angles. How many degrees more must you turn right to face the treasure?
A. 140°
B. 110°
C. 20°
D. 70°
Answer: B
Mathematics
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,
x in 
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, tan x = 
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, tan x = - 
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