How far did the bird fly in the mentioned time?

[Maths Sample Paper] How far did the bird fly in the mentioned time? - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard

part 2 - Question 38 (ii) (Choice 1) - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards - Class 10

-lock-

Β 

-endlock-

Remove Ads
Teachoo Β· Class 10 Explore Class 10

Transcript

Distance travelled by bird is AD Now, AD = BE = CE – CB = CE βˆ’ 80 ∴ We need to find CE In right angle triangle DEC tan C = (𝑆𝑖𝑑𝑒 π‘œπ‘π‘π‘œπ‘ π‘–π‘‘π‘’ π‘‘π‘œ π‘Žπ‘›π‘”π‘™π‘’" " 𝐢)/(𝑆𝑖𝑑𝑒 π‘Žπ‘‘π‘—π‘Žπ‘π‘’π‘›π‘‘ π‘‘π‘œ π‘Žπ‘›π‘”π‘™π‘’" " 𝐢) tan C = (" " 𝐷𝐸)/𝐢𝐸 tan 30Β° = πŸ–πŸŽ/π‘ͺ𝑬 1/√3 = 80/𝐢𝐸 CE = 80βˆšπŸ‘ m Thus, AD = CE – CB = 80 √3 βˆ’ 80 = 80(βˆšπŸ‘ βˆ’ 1) m

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.