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Dinesh walks 6 km in the west then he tu...

Dinesh walks 6 km in the west then he turns to his right and moves 8 km then he turns to his left and moves 9 km then turns to right and moves 12 km. Now in which direction is he from his starting point and how far?

A

15 NE

B

35 NE

C

25 NW

D

45 SE

Text Solution

Verified by Experts

The correct Answer is:
C

BC = 8 km., DG = 8 km.
GB = 9 km., DC = 9 km.
AB = 6 km. DC = 9 km
DE = 12 km, BC = 8 km
So, GE = 20 km AG = 15
`EA = sqrt((20)^(2)+(15)^(2))`
`= sqrt(400+225)`
`= sqrt(625)`
`=25 km`.
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