Question

find a point on the ground a person observe the top of the tree with angle ogf elevation 60dgree after walking 25m away from the foot of the tree,again person observe the top of the tree with 2nd angle of elevation 45dgree ....find the height of the tree

Answer 1

Answer:

Distance from tree = x

Length of tree = 18

Let the angle of elevation = 30

∘

Now, tanθ=

distancefromtree

Lengthoftree

tan30=

x

18

3

1

=

x

18

x=18

3

m