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A man goes 15m due west and then 8m due north. How far is he from the starting point?

(a) 7 m   (b) 10 m   (c) 17 m   (d) 23 m

 


Transcript

Question 35 A man goes 15m due west and then 8m due north. How far is he from the starting point? (a) 7 m (b) 10 m (c) 17 m (d) 23 m Now, This forms a right angled triangle By Pythagoras theorem (Required Distance)2 = 152 + 82 (Required Distance)2 = 225 + 64 (Required Distance)2 = 289 (Required Distance)2 = (17)2 ∴ Required Distance = 17 m So, the correct answer is (c)

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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 14 years. He provides courses for Maths, Science and Computer Science at Teachoo