1.

From the top of a 150 m tall building A, the angle of elevation to the top of the building B is 45 degrees and the angle of depression to the bottom of the building B is 30 degrees. What is the height of the building B?

A. 250 m
B. 450/√3 m
C. 150√3 m
D. 150 (1 + √3) m
Answer» E.


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