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Two persons start walking on a road that...

Two persons start walking on a road that diverge at an angle of `120^(@)` . If they walk at the rate of 3 km/h and 2 km/h respectively. Find the distance between them after 4 hours.

A

`4sqrt(19) km`

B

5 km

C

7m

D

`8sqrt(19)`m

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The correct Answer is:
A
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