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naveen

· started a discussion

· 1 Months ago

you take landmark in the middle of the river and not on the bank of the river

Question:

A landmark on the bank of a river are observed from two points A and B on the opposite bank of the river. The lines of sight make equal angles of 45° with the bank of the river. If AB = 1 km, then the width of the river (in kilometre) is

Options:
A)

322    

B)

2

C)

32    

D)

12    

Solution:

Ans: (d)


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