At endpoints $X$ and $Y$ of the perimeter segment, we draw

At endpoints $X$ and $Y$ of the perimeter segment, we draw
  1. angles equal to half of $\angle B$ and half of $\angle C$ respectively
  2. full $\angle B$ and $\angle C$
  3. perpendiculars
  4. angle bisectors of $\angle A$

Solution

Draw $\dfrac{\angle B}{2}$ at $X$ and $\dfrac{\angle C}{2}$ at $Y$.

Asked in: MH-SSC-9

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