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Haneef

· started a discussion

· 1 Months ago

Simple solution (Question: 286857.0 )

Apply cosine rule

cos120=(12^2+8^2-c^2)/(2.12.8)
Ans come

Question:

Two person 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.

Options:
A)

419    km

B)

5 km

C)

7 km

D)

819    km

Solution:

Ans: (a)

  

Vijay Sharma

· commented

· 1 Months ago

yo thanx man

amit kumar

· commented

· 1 Months ago

thanks bro

Mahesh Sandeboina

· commented

· 1 Months ago

THANK YOU BROTHER
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