Question

Razões Trigonométricas - Determine x e y no triângulo abaixo:

Answer 1

30+90+a=180
a=60°

9√3/sen60°=x/sen30°
sen60°.x=9√3.sen30°

0,866x=7,794
x=9

9√3/sen60°=ysen90°
0,866.y=1.9√3
0,866y=9√3
y=18