В треугольнике \(\displaystyle ABC\) угол \(\displaystyle C\) равен \(\displaystyle 50^{\circ}{\small , }\) \(\displaystyle AD\) – биссектриса, \(\displaystyle \angle CAD=28^{\circ}{\small .}\) Найдите угол \(\displaystyle B{\small .}\)

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