segitiga ABC siku siku,jika AC= 10 cm sudut BAC=30° maka panjang AB =..... cm

Dik: <A = 30°
<B = 90°
<C = 60°
AC = 10 cm
dit: panjang AB:
~Aturan Sinus
=> AC/sin b = AB/sin c
=> 10/sin 90° = AB/sin 60°
=> 10/1 = AB/ (1/2√3)
=> AB = 10 x (1/2√3)
AB = 5√3