Question

A person on a level plain ,on which stands a tower surmounted by a spire ,observes that when he is 5 metre distant from the foot of tower its top is in line with that of a mountain.From a point 48 metre further from the tower ,he finds the spire subtends at his eye the same angle as before ,and has its top in a line with that of the mountain.If height of the tower above horizontal plane through the observer's eye be 10 metres find height of mountain above the plane.

Answer 1

i am not getting the fig ryt

Answer 2

helppp

Answer 3

i can't understand this at all.

Answer 4

me tooo

Answer 5

tough one???