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From my house I walked 5 km towards Nort...

From my house I walked 5 km towards North. I turned right and walked 3 km. Againt I went one km to the south. How far am I from my house?

A

7km

B

6km

C

4km

D

5km

Text Solution

Verified by Experts

The correct Answer is:
D


Required distance
`AD = sqrt((AE)^2 + (DE)^2)`
` = sqrt( (4)^2 + (3)^2)`
` = sqrt(16 + 9) = sqrt25 = 5 km`
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