The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be 
. After walking 120 m towards it on level ground the elevation is found to be 
. Then the height of the object (in metres) is
a)
120
b)
c)
d)
60
The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be . After walking 120 m towards it on level ground the elevation is found to be . Then the height of the object (in metres) is
a)
120
b)
c)
d)
60
Question ID - 50356 | SaraNextGen Answer
The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be . After walking 120 m towards it on level ground the elevation is found to be . Then the height of the object (in metres) is
a)
120
b)
c)
d)
60
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The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be |
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|
a) |
120 |
b) |
|
c) |
|
d) |
60 |
1 Answer - 5876 Votes
3537
Answer Key : (b) -
Answer Link(b)
In 
…(i)
and in
, 
…(ii)
From Eqs. (i) and (ii), we get, 
On putting 
in Eq.(i), we get
