Hello, yeah!
#2 took a lot of work . . . #3 is similar.
Maybe someone else can find a more direct solution.
2. The angle of elevation of the top of a tower is 38° from a point A south of it.
The angle of elevation of the top of the tower is 29° from a point B east of it.
Find the height of the tower if the distqance AB is 50m. Code:
P
o
*| *
* | *
* | *
* |h *
* | *
* | *
* | x 29° *
* o * * * * * o B
*38° * Q *
* * y * 50
* * *
A o
The tower is:
Let:
In right triangle .[1]
In right triangle .[2]
Equate [1] and [2]: . .[3]
In right triangle
Substitute [3]: .
. .
. .
Substitute into [2]: .
. . Grab your calculator . . .