AoPS Math Please review!!

$D$ is on side $\overline {AB}$ of $\triangle ABC.$ We know $\triangle ABC \sim \triangle ACD$ and $\angle A =48^\circ.$ If $BC=BD,$ what is $\angle B$ in degrees?

I know this is written in Latex but okay.

https://latex.artofproblemsolving.com/6/6/f/66f577ad40a16923c75948baa22ffbc74a4d1051.png