The angle of elevation of the top of a building 30 m high from the foot of another building in the same plane is 60°, and also the angle of elevation of the top of the second tower from the foot of the first tower is 30°, then the distance between the two buildings is:
A. 10√3 m
B. 15√3 m
C. 12√3 m
D. 36 m
Answer:A
The angle of elevation of the top of a building 30 m high from the foot of another building in the same plane is 60°, and also the angle of elevation of the top of the second tower from the foot of the first tower is 30°, then the distance between the two buildings is:
A. 10√3 m B. 15√3 m C. 12√3 m D. 36 m
Explanation: As per the given question: