Lubna starts from her temple and walks 11 km towards the east. She turns left and walks 13 km, turns right and walks 13 km, and finally turns right again and walks 6 km. How far is Lubna from the temple now?
Correct answer C. 25 km
Explanation
Taking the temple as the origin, the final position is 24 km east and 7 km north of it. The shortest distance is the square root of (24² + 7²), which is 25 km.
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