Arun walks 5 km due east and 12 km due north. How far is he from his starting point?
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Answer:
13km
Step-by-step explanation:
arun walked 5 km to east and then 12km to north. By joining the starting point and the end point by straight line we will get a right angled triangle, hypotenuse of which will tell how far is he from his starting point
so Pythagoras theorem
H²= 5² + 12²
H²= 25 + 144
H² = 169
H = 13
so He will be 13km far away from his starting point.
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