Help me wit this trigo problem please?

Question

a statue 2m high stands on a column that is 3m high. An observer in level with the top of statue observed that the column and the statue subtend the same angle. how far is the observer from the statue?

Answer 1

Statue total height = 5 m

In this case substend angles are same

From double angle formula

Distance between observer and statue is .

Source : https://nz.answers.yahoo.com/question/index?qid=20140713175103AAYWaAU