Question

how is distance =h+h=2h​

Answer 1

Answer:

At a distance 2h m from the foot of a tower of height h m, the top of the tower and a pole at the top of the tower subtend equal angles. Height of the pole should be

Medium

Answer 2

Answer:

In ΔABD, tanα= 2h/ h ⇒tanα= 2 1 In ΔABC,tan2α= 2hh+p⇒1−tan 2 a 2tanα = 2h h+p 1) 2 2( 2 1 = 2h h+p⇒

3

4

=

2h

h+p

⇒8h=3h+3p

⇒5h=3p⇒p=

3

5h

m