alleryStart learning →Mohan walks 5 km north, turns right and walks 12 km. How far is he from his starting point?
A17 km
B7 km
C15 km
D13 km
Answer & Solution
Correct answer: D. 13 km
The legs are at right angles, so the distance is the root of 25 plus 144, which is 13 km.
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