Math, asked by dadu927, 1 year ago

The distance between two pillars is 120 metres. the height of one pillar is thrice the other. the angles of elevation of their tops from the midpoint of the line connecting their feet are complementary to each other. the height (in metres) of the taller pillar is

Answers

Answered by AshPatel
11
In ABC,
tan theta = AB/BC = x/60.........(1)

In CDE,
cot (90-theta) = CD/DE = 60/3x
tan theta = 20/x...........(2)

Equating (1) and (2), we get,
x/60 = 20/x
x^2 = 1200
x = 20√3 m

3x = 20√3 × 3 = 60√3 m

Hope this helps!!!!!
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