Question

me ajudem por favor !!!!

Answer 1

AC = cos 30 x Hip = $\frac{ \sqrt{3} }{2} .18=9 \sqrt{3}$

BC = cos 60 x Hip = $0,5.6 \sqrt{3}=3 \sqrt{3}$

AB = AC + BC = $3 \sqrt{3} +9\sqrt{3} =12\sqrt{3}$