A girl walks 45 meters in the direction 050o from a ...
A girl walks 45 meters in the direction 050o from a point Q to a point X. She then walks 24 meters in the direction 140o from X to a point Y. How far is she then from Q?
69m
57m
51m
21m
Correct answer is C
QY = 452 + 242 = 2025 + 576
= 2601
QY = √2601
= 51
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