A man 1.7m tall observes a bird on the top of a tree at an angle of 30degree. If the distance between the man's head the bird is 25m, what is the height of the tree?

Answer 1

(h-1.7)/25 = sin30°

Answer 2

h1 = 1.7 m.
sin30 = h2/25
h2 = 25*sin30 = 12.5 m.
h1+h2 = 1.7+12.5 = ___ m. = Ht. of tree.