In this construction, $\triangle XBA$ is

In this construction, $\triangle XBA$ is
  1. isosceles with $XB = AB$
  2. equilateral
  3. right-angled
  4. scalene

Solution

By the perpendicular bisector property: $B$ is equidistant from $X$ and $A$.

Asked in: MH-SSC-9

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