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How far did the bird fly in the mentioned time?

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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

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.