Question

Determinar o valor de x na figura. *

10
20
30
40
50

Answer 1

x/sen45 = 10√2/ sen30

x.sen30 = 10√2. sen45

x. 1/2 = 10√2. √2/2. ==> 2 morreu!

x .1 = 10√4

x = 10.(2)

x = 20