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On a hot summer day, Ram goes for a walk to see if he can find an umbrella for the coming rainy days at city mall. He first walks $3.5 km [N o r t h],$ then $4.2 km [E a s t],$ and finally $1.3 km [S o u t h]$ before getting to the mall. Find the magnitude of his distance (in $km$ ) traveled.

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$6 km$

$7 k m$

$8 k m$

$9 k m$

answer is D.

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Detailed Solution

Distance = length of actual path

= $3.5 + 4.2 + 1.3$

= $9 km$

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