Question

12. A man walks 2 km towards North. Then he turns to East and walks
10 km. After this he turns to North and walks 3 km. Again he turns
towards East and walks 2 km. How far is he from the starting point?
A. 10 km
B. 13 km
C. 15 km
D. None​

Answer 1

Required Distance

= AE

= √(52 + 122)

= 13 km

Answer 2

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$required \: distance = ae \\ = \sqrt{5 {}^{2} } + {12}^{2} \\ = 13km \\ so \: your \: answer \: is \: 13km$

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