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:5

# A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the ground is 60°. Find the length of the string, assuming that there is no slack in the string.

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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

Let K be the Kite and P is the point where the string is tied on the ground.

In ΔKLP,

KL/KP = sin60°

⇒ 60/KP = √3/2

⇒ AB = 120/√3 = 120√3/3 = 40√3

Hence, the lenght of the string is 40√3 m.