Respuesta :

musiclover10045
= 18 x sin(20) = 6.15 rounded to 6.2
mreijepatmat
1st you have to calculate sin 20° = (opposite side) / (hypotenuse)

sin 20° = x/18
0.342 = x/18
x = (18.0).(342)
x= 6.15 ≈ 6.2 (answer C)