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A man starts walking from a point and wa...

A man starts walking from a point and walks 12 kms towards north. He turns `90^(@)` left and walks a distance and stopped. If the distance between initial point and final positions is 13 kms , how much distance he travelled after turning from the North?

A

1 km

B

5 kms

C

7 kms

D

2 kms

Text Solution

Verified by Experts

The correct Answer is:
B

`BC = sqrt((13)^(2) - (12)^(2))`
` = sqrt(169 - 144) = sqrt( 25) ` = 5 km .
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