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From her home facing South West, Kavita ...

From her home facing South West, Kavita walks 15 m and turns Northward and walks 12m. How far was she from her home, which was her starting point ?

A

10 metres

B

9 metres

C

15 metres

D

12 metres

Text Solution

Verified by Experts

The correct Answer is:
B


Required distance
`AC = sqrt((AB)^(2) - (BC)^(2))`
` = sqrt((15)^(2) - (12)^(2)) = sqrt(225 - 144)`
` = sqrt(81) = 9` meters.
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