Trignometry

Quantitative Aptitude ( CCS)

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

An observer 2 m tall is 10√3m away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The height of the tower is:

11 m

13 m

12 m

14 m

SR = PQ = 2 m
PS = QR=10√3m
tan30°=TS/PS
1/√3=TS/10√3
TS=10√3/√3=10m
TR = TS + SR = 10 + 2 = 12 m