NCERT Solutions for Class 10 Maths Chapter 9

Important NCERT Questions

SOME APPLICAT IONS OF TRIGONOMETRY

(Height and Distance)

NCERT Books for Session 2022-2023

CBSE Board and UP Board Others state Board

EXERCISE 9.1

Page No:204

Questions No:4

# The angle of elevation of the top of a tower from a point on the ground, which is 30 m away from the foot of the tower, is 30°. Find the height of the tower.

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Let AB is tower and C is the point 30 m away from the foot of the tower.

In Δ ABC,

AB/BC= tan 30°

⇒ AB/30 = 1/√3

⇒ AB = 30/√3 = 30√3/3 = 10√3

Hence, the height of the tower is 10√3m.

Get here all the solutions of class 10 Maths Exercise 9.1

NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium