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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 . 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 Top 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

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

In

   …(i)

and in ,

  …(ii)

From Eqs. (i) and (ii), we get,

On putting  in Eq.(i), we get

127 votes


127