A 140-foot antenna is on top of a tall building. From a point on the ground, the angle of elevation to the top of the antenna is 27.5°, while the angle of elevation to the bottom of the antenna from the same point is 22.5°. How tall is the building? Please round to the nearest foot.
?
A. 549 ft
B. 546 ft
C. 545 ft
D. 543 ft
E. 548 ft
Answer: C
Mathematics
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