BC = 20
If < B = 67
Then
Th using the sine rule
[tex]\frac{\sin\text{ 67}}{AB}=\frac{\sin 46}{20}[/tex]
cross -multiply
[tex]AB\text{ sin 46=20sin67}[/tex]
Divide both-side of the equation by sin46
[tex]AB\text{ =}\frac{20\sin 67}{\sin 46}[/tex][tex]AB\approx25.59[/tex]
