Question

A man observes the angle of elevation of top of a building

to be 30°. He walks towards if in a horizontal line towards

the base. On covering a distance of 60 m the angle of

elevation changes to 60°, find the height of building.​

Answer 1

Answer:

30ROOT3 metre

i.e. 51.96 metre [30*1.732 = 51.96]

Step-by-step explanation:

the fig shows the explanation

Answer 2

Hence, the height of the present distance of the man from the building is 30 m.

Thus, height of the building = 30× root 3

= 30 × 1.73 = 51.9 m

HOPE THIS COULD HELP!!!