A radio tower is located 450 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is
24
∘
and that the angle of depression to the bottom of the tower is
21
∘
. How tall is the tower?
2 answers
450 tan(24º) + 450 tan(21º)
Tan21 = 450/x
X = 1172 Ft. = hor. distance between bldg. and tower.
Tan24 = h1/1172
h1 = 1172*Tan24 = 522 Ft.
ht. = 522 + 450 =
X = 1172 Ft. = hor. distance between bldg. and tower.
Tan24 = h1/1172
h1 = 1172*Tan24 = 522 Ft.
ht. = 522 + 450 =
3 answers