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Question

Sara walks 20.56 km towards the north. Then, she turns right and walks 32.64 km. Then, she turns right again and walks 39.79 km. Then, she turns left and walks 15 km. Finally, she turns left again and walks 19.23 km. How far is she from the starting position?

A
47.64 km
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B
45.85 km
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C
24.56 km
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D
32.7 km
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Solution

The correct option is A 47.64 km
According to the question, we can draw a diagram as shown below,
Now, referring to the above diagram, A is the initial position and F is the final position of Sara.
So, required distance = AF = BC + DE
= 32.64 km + 15 km = 47.64 km

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