Question
Download Solution PDFA person walks 1 km east from a certain place. He then walks 5 km south, then 2 km east and finally 9 km north. How far is he from the starting point to the final position?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
A person walks 1 km east from a certain place.
He then walks 5 km south, then 2 km east and finally 9 km north.
By using Pythagorean theorem:
AB2 + BC2 = AC2
32 + 42 = AC2
√9 + 16 = AC
√25 = AC
5 = AC
Thus, he is 5 km away from start point.
Hence, the correct answer is "Option 4".
Last updated on Jun 12, 2024
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