The angle of elevation of the top of a building from a point 10m away in level ground is 30.calculate the height of the building

Answer 1

If you meant the angle is 30°, then
tan30° = h/10
h = 10tan30° = ...

Answer 2

Thank you

Answer 3

A boy whose eye is 2m above the ground is standing at a distance of 24m from a tall building on a level ground,find the height of the building from the ground,if the angle of elevation from the of the building is 20m°