The angle of elevation of the top of a building from a point on the ground, which is 30 m away from the foot of the building, is 30°. The height of the building is:
A. 10 m
B. 30/√3 m
C. √3/10 m
D. 30 m
Answer:B
The angle of elevation of the top of a building from a point on the ground, which is 30 m away from the foot of the building, is 30°. The height of the building is:
A. 10 m B. 30/√3 m C. √3/10 m D. 30 m
Explanation: Say x is the height of the building.