CCGPS AG 3.1.2 Example 1

In [math]\bigodot{A}[/math], [math]m\angle{BAC} = 57[/math]. What is [math]m\widehat{BDC}[/math]?

[list=1] [*]Find the measure of [math]\widehat{BC}[/math]. [*]Find the measure of [math]\widehat{BDC}[/math]. [*]State your conclusion. [/list]