CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic

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Question 34 (Choice 2) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

A 1.2m tall girl spots a balloon moving with the wind in a horizontal line at a height 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°.After sometime, the angle of elevation reduces 30°.Find the distance travelled by the balloon during the interval.

 

Question 34 (Choice 2) - CBSE Class 10 Sample Paper for 2021 Boards -

 

This question is exactly same as Ex 9.1, 14 of Chapter 9 Class 10 in the NCERT Book.

Please check the answer and video here

https://www.teachoo.com/1814/535/Ex-9.1--14---A-1.2-m-tall-girl-spots-a-balloon-moving-with-wind/category/Ex-9.1/

Transcript

Question 34 (Choice - 2) A 1.2m tall girl spots a balloon moving with the wind in a horizontal line at a height 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°.After sometime, the angle of elevation reduces 30°.Find the distance travelled by the balloon during the interval.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.