Question

the angle of elevation of the top of a tower at a distance of 120 m from a point A on the ground is 45 degree .if the angle of elevation of top of flag staff fixed on tower at A IS 60 DEGREE,THEN FIND HEIGHT OF flag staff

Answer 1

hope this helps you

Answer 2

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$tan25 = \frac{a}{40}$

so

$a = 40 \: \: tan 25 = 18.65m$

so total height of flagpole is

18.65m+1.8m=20.45