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CBSE Class 9 Answered

Tara goes on a camel safari in Africa. She travels 5 km north, then 3 km east and then 1 km north again. What distance did she cover? What was her displacement?
Asked by gaming11avenger | 23 Apr, 2020, 20:54: PM
answered-by-expert Expert Answer
1. Distance travelled by Tara is = 5 + 3+ 1= 9 km 
 
 
2. The shortest path between the initial and the final point is known as displacement. 
 
 
By Pythagoras Theorem, 
 
BD2 = CD2 +BC2 
 
BD2 = 62 + 32 = 36 + 9 =45
 
BD = 6.708 km 
 
Thus, displacement of Tara is 6.70 km 
Answered by Shiwani Sawant | 23 Apr, 2020, 23:36: PM

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