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Sachin goyal

· started a discussion

· 1 Months ago

long method (Question: 188696.0 )

can easily be solved in three steps

Question:
Two poles of equal heights are standing opposite to each other on either side of a road which is 150 m wide. From a point between them on the road, the angles of elevation of their tops are 30º and 60º. Then height of each pole in metres, is – 
Options:
A) 37.5\(\sqrt{3}\)
B) 25 \(\sqrt{3}\)
C) 28 \(\sqrt{3}\)
D) 30 \(\sqrt{3}\)
Solution:
Ans: (a)


Second Method


Knowledge Expert

· commented

· 1 Months ago

Dear Student,
by short trick,

√3 +1/√3 = 150
4/√3 = 150
1= (150 ×√3)/4
= (75 √3)/2
=37.5√3

Keep learning !!
Best wishes
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