TRIGONOMETRI……..

Jawaban:

Aturan Sinus

b/sin b = c/sin c

3√6/sin 60 = AB/sin 45

3√6/1/2√3 = AB/1/2√2

3√6/√3 = AB/√2

√3AB = 3√6

AB = 3√6 / √3

AB = 3√2