Question

Determine a altura h da torre ​

Answer 1

Resposta:

d = 40

alfa = 30º

h = ...

tg alfa = cat op / cat adj

tg 30 = h/40

h/40 = \/3/3

3h = 40\/3

h = 40\/3/3

h ~ 40 . 1,73/3

h ~ 23,06 m

Answer 2

h = d. tg30 = 40. 0,577 = 23m ✓