Sally walks from point A 4 km towards No...

Sally walks from point A 4 km towards North and turns to the left and walks 3 km. From the point she walks straight to the starting point A. What is the total distance covered by her (in km)?

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Verified by Experts

The correct Answer is:

Required distance = AC
`=sqrt((AB)^(2)+(BC)^(2))`
`=sqrt((4)^(2)+(3)^(2))`
`sqrt(16+9)`
`=sqrt(25)=5km`

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