In this construction, side $AB$ equals

In this construction, side $AB$ equals
  1. $BX - AX$
  2. $BX + XC$
  3. $BC$
  4. $AX + XC$

Solution

$AB = BX - AX$ (and $AX = AC$ by perp-bisector property).

Asked in: MH-SSC-9

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